The question______new measures should be taken to control the terrible air pollution is______puzzles scientists a lot.
#67627
A
that; what
B
which; that
C
what; what
D
which; that
推荐题目
_____ wants to study well must learn things _____.
#73669
A
No matter who; with heart
B
Who; with his heart
C
Whoever; by heart
D
Whoever; by his heart
When the girl learnt that her boy friend was ____ in the earthquake, she _____.
#74312
A
injured; burst in tear
B
killing; burst into tears
C
still alive; burst into tears
D
missing; burst into laughter