S: Their daughter ... a student next year.
: will be
S: We had two lectures ...
: in a week
S: It … me three hours to do my home assignments.
: to take
S: My friend ... at the ecological faculty.
: to study
S: Last month they … entrance examinations successfully.
: have passed
S: Существует одна новая теория.
: It is a new theory.
: This theory is new.
: There is a new theory.
: There is a new theory there.
S: It … possible to carry out numerous experiments during last year.
S: Сейчас они оценивают результаты эксперимента.
: Now they estimate the results of the experiment.
: Now they have estimated the results of the experiment.
: Now they are estimated the results of the experiment.
: They are estimating the results of the experiment.
S: Are you a student of the ecological faculty?
: Yes, is it.
: Yes, he is.
: Yes, you are.
: Yes, I am.
S: I ... the answer to the question.
: do not know
: not know
: does not know
: is not know
S: … the surgeon perform this operation successfully?
S: Предложение в пассивном залоге
: Foreign languages are taught for the first year students at all faculties.
: Scientists have developed many new methods.
: The new method will help doctors to treat patients.
: Scientists are developing a new method of treatment.
S: Has he estimated the number of platelets yet?
: Yes, he does.
: Yes, he has.
: Yes, he is.
: Yes, he was.
S: The process of inhibition in the cortex of the experimental animals must … in detail.
: be described
: to be described
: are described
: is described
S: The specific features of phagocytes will be destroyed if the environment … unfavorable.
: to become
: will become
S: No changes … in the patient with this virus disease now.
: are being observed
: are observing
: has observed
S: … of pain the patient fell asleep.
: being relieved
: having relieved
: having been relieved
S: He ... of the pain both in the throat and behind the breastbone for a week.
: has been complaining
: has complaining
: will be complaining
: has being complained
S: The genetic resources promise financial profits if we … money in protecting biodiversity.
: will invest
: won’t invest
S: Предложение в страдательном залоге
: The man made chemicals have already caused a large hole in the ozone layer.
: Ozone absorbs very shortwave ultraviolet radiation.
: The chemicals break up ozone molecules.
: Most scientists now accept that chlorofluorocarbons are very bad for the environment.
S: Астма и раздражение глаз и кожи могут быть вызваны озоном.
: Asthma and irritation of eyes and skin can be caused by the ozone.
: Asthma and irritation of eyes and skin are caused by the ozone.
: Asthma and irritation of eyes and skin have been caused by the ozone.
: Asthma and irritation of eyes and skin will be caused by the ozone.
S: The intelligence of children who live in crowded cities … by lead pollution from cars.
: is reduced
: was reduced
: will be reduced
S: Organic fruit and vegetables … increasingly more popular.
: are becoming
: is becoming
S: Chemicals … millions of organisms.
: is destroying
: are destroying
S: We … 25 per cent of the known oil reserves in the world already.
: have used
: were used
S: The pollution problem … over the past few years.
: has been worsening
: has worsening
: is worsening
S: … oil reduce the level of oxygen dissolved in the water?
S: Who … the burden of our throw away lifestyle in future?
: will bear
: does bear
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