—When did you have your school trip?—______.
#100410
A
In five days
B
For five days
C
Twice a day
D
Five days ago
推荐题目
Although the causes of cancer ________, we do not yet have any practical way to prevent it.
#103264
A
have uncovered
B
have been uncovering
C
are uncovering
D
are being uncovered
----_____ David and Vicky _____ married?----For about three years. 
#100703
A
How long were … being
B
How long have … got
C
How long have … been
D
How long did … Get
During his stay in Xi’an, Jerry tried almost all the local foods his friends ________,
#99073
A
would recommend
B
had recommended
C
have recommended
D
were recommending