My sister spends too much time ______computer games.
A. to play B. play C. plays D.playing
Teenagers _______ allowed to drive in the street .
A. should not be B. should be not
C. not should be D. shouldn’t
I don't know _______.Can you tell me________?
A. how swim; what to do B. how to swim ; what to do it
C. how to swim; what to do D. what to swim; how to do
That's very kind ______ you. I know it's very hard _______ you to do that.
A. of, of B. of, for C. for, of D. for, for
David used to _____________ in the afternoon.
A. practice swimming B. practicing swimming
C. practice swim D. practices swimming
How do you study _______a test? I study _______working with friends.
A. for ; for B. for ; by C. by ; for D .by ; by