---Who cleaned the classroom?---Mary ________.
#41612
A
can
B
does
C
did
D
is
推荐题目
Mr. Wu___this math problem____him many times, but he still doesn’t understand it.
#38768
A
explains ; to
B
has explained ; for
C
has explained ; to
D
explained ; with
_____ when the light went on last night?
#37783
A
What were you doing
B
What have you done
C
What did you do
D
How were you doing
—How long have you _______________ the motorbike?—For about two weeks.
#42684
A
bought
B
had
C
borrowed
D
lent
---- What did the man say to you? ---- He ________ me where the post office ________.
#38700
A
tells; is
B
asks; is
C
said; was
D
asked; was