---Mary hasn't written to us for a long time.---What do you suppose __ to her?
#73595
A
happened
B
to happen
C
was happened
D
having happened
推荐题目
It is suggested that this small town’s serious problems worth paying much attention ______ at the meeting.
#74122
A
to be solved
B
to being solved
C
to solve
D
to solving
I have two grammars, ______are of great use.
#73806
A
all of which
B
either of which
C
both of that
D
both of which
They put forward a lot of plans at the meeting, none of _______ were carried out in their work.
#70522
A
which
B
them
C
what
D
that
__________for the bus, I heard a noise,
#69550
A
While waiting
B
While I waiting
C
I was waiting
D
Waited