While he            the bus, he             a book.
#44868
A
was waiting for, read
B
waited for, was reading
C
was waiting for, was reading
D
waited for, read
推荐题目
--- Can you tell me whom the play ______ in the 1990s?--- Sorry, I don’t know.
#44626
A
was written by
B
was written
C
is written
D
1s written by
 -----Why don’t you come to Sally’s party ? -----I’m sorry . I ________ .
#44561
A
invited
B
didn’t invited
C
was invited
D
wasn’t invited
The windows must _________ before you leave the room.
#44851
A
be closed
B
are closed
C
close
D
be close