Кданным английским предложениям подберите соответствующую им по смыслу правильную глагольную

Кданным английским предложениям подберите соответствующую им по смыслу правильную глагольную форму.
1.The special system of training economists ... to produce well-preparedexperts.
a)designed;
b)was designed;
c)is designing.
2.At our institute ... scientific circles.
a)are;
b)have;
c)there are.
3.Books on various subjects ... through the library.
a)obtain;
b)be obtained;
c)are obtained.
4.The teaching of Statistics ... according to the syllabus.
a)arranged;
b)is arranged;
c)arranges.
5.The authorities of the University ... school hours almost equally between lectures and practical studies.
a)are divided;
b)have been divided;
c)divided.
6.The undergraduates ... general education subjects as well as special subjects.
a)are studied;
b)study;
c)have been studied.
7.I ... the University in 1997.
a)have entered;
b)was entered;
c)entered.
8.While I ... at the bank I attended the preliminary courses.
a)was worked;
b)was working;
c)have worked.
9.The computer ... in every field of national economy.
a)used;
b)is used;
c)is using.
10.New methods of computation ... at the research center.
a)have introduced;
b)was introduced;
c)were introduced.
11.She ... to become an economist.
a)goes;
b)went;
c)is going.
12.The floor in the bedroom ... with a beautiful carpet.
a)covers;
b)is covered;
c)is covering.
13.He said he ... at our University.
a)will study;
b)would study;
c)studies.
14.She couldnt believe that he ... nothing about their experiments.
a)knows;
b)will know;
c)had known.