1. Hehls car. That is why his hands are so dirty. a) has greased b) has been greasing c) was greased d) greased 2. The students very hard this year. a) have worked b) have been working c) has worked d) was worked 3.1 __too fast. That is why I am so tired a) have walked b) have been walking c) has walked d) has been walking 4.1 seventeen kilometers. a) have been walking b) have walked c) has walked d) has been walked 5. Don't make so much nolse. I (try) to work. a) tried b) am trying c) am trling d) was trying 6. Why you (cry)? Is anything wrong? a) do you cry b) are you crying c) have you crying d) was crying 7. He (go) to speak to his parents. a) went b) is going c) goes d) gone
The whole area had flooded because of the heavy rain.
The environmental group complained because the river was polluted.
Those red ants can give you a bite which really stings.
The noise caused by the factory annoyed the people of the village.
No one was sure what had caused the wildlife in the area to disappear.
I don't believe our government is doing enough to protect the environment.
The fire destroyed huge areas of forest.
Many of the birds have disappeared from the forest.
We hope we can stop the damage before it's too late.
Nothing remained of the building after the fire.
11. I to work when the accident happened.
с) was driving
12. Take your umbrella it rains.
a) in case
13. He doesn't take his father at all.
a) after
14. A burglar broke my house last night.
b) into
15. There is too violence on television these days.
с) much
16. people think that I am mad.
b) most
17. Sorry, I can't give you my homework. I tried it but it was too difficult.
b) to do
18. I by a famous hairdresser yesterday.
b) had my hair cut
19. We didn't know about the murder until the next day because when it happened we the party.
b) had already left
20. You look hot! What ?
с) have you been doing