Someone ______ at the door. Can you open it?
#36310
A
knocks
B
knocked
C
is knocking
D
was knocking
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----I came to your office yesterday morning, but nobody was in.----Oh, we__________ a meeting in the meeting room.
#41769
A
have had
B
had
C
were having
D
had had
Our country the sixth population census(人口普查) already.
#42143
A
finished
B
has finished
C
will finish
D
finishes
—I hear Mr. Zhang has gone to Beijing for a meeting. —Really? Do you know when he ______?
#40428
A
leaves
B
was leaving
C
has left
D
left
—Yesterday I received a letter from John.—You did? I hear he _______ for America next year.
#38836
A
leave
B
leaves
C
left
D
is leaving