ex. 3.put the verbs in brackets into the to-infinitive or the –ing form.

they have managed (gather) all their supplies in one week.

the trip is expected ) for two or three years.

tanya has spent a lot of time ) about the solar system.

their spaceship must avoid (hit) asteroids and ufos.

their parents asked them if they had forgotten (buy) enough dried food and e-books to take with them.

phillip promises (help tanya pilot their rocket ship.

we like ) new planets and ) new things.

although their parents would prefer them (remain on earth, they can see that it is no use ) to get them to change their minds.

it’s too late now. there’s no point in (argue) with them.

Объяснение:

1.Without any reason, the customer returned the goods that we had delivered (deliver) . 2.Before Ellen could say anything, Cindy had hung up (hang up) the phone.

3.When William was employed, I had already worked (work / already) here for three years.

4.I had just started (start / just) to type the letter, when the phone rang.

5.When I sent the mail, I realised that I had forgotten (forget) to attach the file.

6.Sue and Tom are best friends, though before the meeting last month they had not even known (know / not even) each other.

7.Catherine had not met (meet / not) Phil Brown before the trade fair in May.

8.We spoke about the conference that had taken place (take place) the week before.

9.After the meeting I thanked Misses Last, who had managed (manage) everything.

10. Had you gained (you / gain) experience in that field before you started to work for us?

1) Two pounds are not enough to buy a CD. 2) Your bathroom scales are not very accurate. 3) International news relies on correspondents in every major city. 4) The trousers you bought for me don't fit me. 5) Physics was my best subject at school. 6) Fortunately, the news wasn't as bad as we expected. 7)здесь нет ничего 8) Does the police know how the accident happened? 9) Where on earth are the scissors? 10) Deer are reared in the northern parts of Russia. 11) In my opinion, billiards is a very boring game. But my friend says it's foolish of me to think so. 12) The news was announced before lunch. It was disappointing. 13) In summer cattle are fed on pasture lands. 14) The police were called immediately after the accident. 15) The money he makes is enough to live on. 16) The economics I learned at school is out of date now. 17) People are unhappy about the new tax system. 18) This student's knowledge is amazing. 19) Here are the scales. You can weigh the potatoes. 20) Half a kilo of rump steak is 7.50. 21) Here is the money. You've won it. 22) The acoustics in the new opera house is perfect. 23) The cast were all amateurs. 24) The spaghetti isn't long enough for a good holiday 25) The contents of the house were sold after her death. 26) The crew was all saved when the ship sank. 27) Your hair looks great. 28) A number of applicants have been interviewed. 29) The old couple is moving to the coast. 30) Your jeans are hanging in the wardrobe. 31) The information is very worthwhile. 32) The crowd is enormous. 33) Athletics are challenging. 34) We have two cars and each of them is blue. 35) There were too many people at the party. 36) The family is surprised by the news. 37) The number of students going to the class picnic is quite small. 38) Your watch is on the shelf. 39) The police are looking for a dark-haired man in his thirties. 40) There is heavy traffic in this street. 41) His earnings are extremely high. 42) Everybody is learning a foreign language at this school. 43) Two days are not enough to finish the work. 44) Chess requires patience and intelligence. 45) Two hours per week are not enough to learn a foreign language.

Объяснение: