____ useful the computer is!
A. What a B. What an
C. How D. How a
Do you remember what ____ at 11:00a.m yesterday?
A. were you doing B. you were doing
C. are you doing D. you are doing
When Tom got to my house, my family ___ dinner.
A. were having B. was having
C. is having D. are having
If you don't go, I _______, ______.
A. do, too B. don’t, either
C. don’t, too D. won’t , either
I think children today are ____.
A. busy enough B. enough busy
C. too much busy D. under a pressure
The number of the students in our class ____ 70.
A. is B. are
C. were D. be
