He waited ________ the volcano became quiet and he was able to return two days later.
#80251
A
when
B
before
C
as
D
until
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The police came in __________ the thief attempted to rush out of the store.
#33180
A
at the moment
B
the moment
C
for the moment
D
at any moment
____ English is concerned, he is the best in our class.
#33646
A
As far as
B
As soon as
C
Now that
D
As
---Did you meet with the famous space hero, Yang Liwei?---_____ I had come here earlier.
#33990
A
If only
B
Only if
C
But for
D
Despite