Exercise 3. Mark the letter A, B, C or D to indicate the correct answer to each of the following questions.
11. Hoang ____ his email four times a week in order not to miss anything important.
$A. checks$ B. will check C. is checking D. check
12. Nowadays, people ____ social networks with more and more caution.
A. uses B. are using C. used $D. use$
13. At the moment, my sister ____ her homework, my brother ____ games.
A. is making - is playing $B. is doing - is playing$ C. does - plays D. makes - is playing
14. It’s 7.00 p.m. now and we ____ meal together. We usually ____ dinner at that time.
A. have - eat B. have - are eating $C. are having - eat$ D. are having - are eating
15.A correction pen is used for ____ your writing mistakes.
A. cover B. covered $C. covering$ D. to cover