While Helen __________ the guitar, her mother came in.
#41299
A
was playing
B
is playing
C
played
D
plays
推荐题目
We should consider the students’ request _____the school library provide more books on popular science.
#68545
A
that
B
when
C
which
D
where
I’m not sure whether this is the room ________ she left her dictionary.
#69702
A
where
B
that
C
which
D
in that
--Did Mary return late last night?--No. It was not yet 7 o’clock _________ she arrived home.
#67606
A
before
B
when
C
that
D
until
If an excellent Chinese novel is translated into English, ________ means many more people in the world can enjoy it.
#67492
A
as
B
which
C
what
D
that