－ did you play the piano today? －For five hours.
#43834
A
When
B
How long
C
How often
D
How soon
推荐题目
The worker and poet _____ to the party the other day．
#86195
A
is invited
B
was invited
C
had invited
D
invited
To get well, .
#86020
A
we are going to operate on the patient
B
an operation is necessary
C
the patient needs an operation
D
the doctor will perform an operation on the patient
More than one student _________ read the novels, which _________ written by David.
#86199
A
has, was
B
have, were
C
has, were
D
have, was