2. insert prepositions where necessary:

1. he has a bend languages.
2. i am the student the university.
3. we are making progress english.
4. you must look unknown words frequently.
5. last year my friend entered the university.
6. in 1997 he graduated the college.
7. they were aware his problems.
8. the firm is improving the characteristics of the machines.
9. please, help me english grammar.
10. i always make notes the lectures economics.
11. he didn’t learn the new vocabulary heart.
12. they want to catch the group.
13. you mustn’t miss lessons

ответ:

1. he has a bent for languages.

2. i am the student of the university.

3. we are making progress in english.

4. you must look up unknown words frequently.

5. last year my friend entered - the university.

6. in 1997 he graduated from the college.

7. they were aware of his problems.

8. the firm is improving - the characteristics of the machines.

9. please, help me with english grammar.

10. i always make notes of the lectures on economics.

11. he didn’t learn the new vocabulary by heart.

12. they want to catch up with the group.

13. you mustn’t miss lessons -

true,  students can buy bottles of water