He thinks playing computer games ________.
#50076
A
frustrated
B
frustrating
C
frustrate
D
to frustrate
推荐题目
We’ll do what we can _________ our environment.
#49518
A
protect 
B
to protect 
C
be protected 
D
be protecting
So many kinds of sweets! I really can’t decide _______. 
#48578
A
what to buy
B
which to buy
C
to buy which
D
to buy what
I find it impossible for me _______ my old friends. This often makes me _____ sad.
#48745
A
meet; to feel
B
to meet; feel
C
meeting; feeling
D
met; felt