I was out of town at the time，so I don’t know exactly how it ________.
#99406
A
was happening
B
happened
C
happens
D
has happened
推荐题目
The train _______ at the present speed until it reaches Beijing at about 6 :30 am.
#102588
A
went
B
has gone
C
goes
D
will be going
The committee __ over the problem among themselves for two hours.
#100019
A
has argued
B
has been arguing
C
have argued
D
have been arguing
—Have you read book called Waiting for Anya? —Who _______ it?
#104084
A
writes
B
has written
C
wrote
D
had written
The vegetables in his field ________ well, because they are pollutionfree.
#99491
A
are selling
B
have been sold
C
are sold
D
sell