Zhangqiang is said ______ the experiment in the lab, but I can’t find him there.
#92292
A
to have done
B
to do
C
to be doing
D
doing
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The possibility _________ we won’t produce enough goods troubles everyone here.
#93073
A
which
B
that
C
who
D
where
In fact , the old couple looked forward every week their grandson .
#92946
A
to see
B
to seeing
C
see
D
seeing
While watching television, .
#93690
A
the doorbell rang
B
we heard the doorbell ring
C
there was someone knocking at the door
D
we heard the doorbell rung
(2009湖南四校联考)I was fortunate enough to travel to South Africa, I met some women who have organized themselves into a group.
#95040
A
then
B
there
C
while
D
where