Прочитайте текст. заполните пропуски. ward sister sarah brown is responsible for the welfare of 28 patients on two wards at london hospital where she (a1) … for the last 6 years. she (a2) … a staff of 12 people. there are also 15 students nurses who (a3) … to the ward at any time. it (a4) …, she says, that 200 people – doctors, nurses, students, visitors – (a5) … through her wards every day. sister brown, who is 39, (a6) … as a nurse 20 years ago.a1. 1) worked; 2) was working; 3) had worked; 4) has been working.a2. 1) directs; 2) is directed; 3) has directed; 4) has been directing.a3. 1) assigned; 2) have been assigned; 3) have assigned; 4) are assigned.a4. 1) has been calculated; 2) is calculate; 3) had been calculated; 4) calculates.a5. 1) have moved; 2) is moving; 3) are moving; 4) moved.a6. 1) were qualified; 2) was qualified; 3) qualify; 4) has been qualified.
I may clean the house.
MIGHT
The house may be cleaned.
MIGHT BE+V3
i might clean the house.
HAVE TO
The house might be cleaned.
HAVE TO BE +V3
I have to clean the house.
The house has to be cleaned.
People (/are told) not to spend much time in di-
Water in many rivers nowadays (is polluted).
Rivers and oceans (are used) as dumps, which
Fish and reptiles can't live in many rivers and lakes
ich shows that they (will be poisoned).
Factories and plants often (pour) their
Poisoned fish (may be eaten) by people
To make the air clean we (need) good fil-
Nuclear-poisoned fish (might be eaten), which
Nuclear pollution (can't be seen).
What (caused) this awful destruction?
The Internet is for sure one of the greatest inventions of last century. The point is that the invention and implementation of it to different spheres of our life has completely changed the way we live it. It has transformed the process of communication, study, search of information and even the way of thinking. But are all these changes positive?
First of all, the existence of the Internet doubtlessly had enormous effect on our lives. Furthermore, it brought more opportunities that had been unachievable before. As for the process of communication, it’s obvious that the appearance of the Internet has given us a chance to keep in touch with people from all over the world.