Not until World War II ______ to use new chemical techniques to purify penicillin.
#81196
A
they managed
B
that they managed
C
did they manage
D
they didn’t manage
推荐题目
— made your daughter decide to go to Tibet as a volunteer?—Mr.Lee’s speech.
#81226
A
What it was that
B
What was it that
C
That it was what
D
That was it that
Everything，unless otherwise ________，will go on as planned.
#80062
A
stating
B
states
C
to state
D
stated
He was so absorbed in his work that not a sound ______.
#83054
A
did she dare to make
B
dared she to make
C
she didn’t dare to make
D
she dared to make
---Do you think the Chinese football team will win this time? ---There is little hope of winning, _____.
#82685
A
f some
B
f has
C
f any
D
f have
—Is everyone here?—Not yet…Look, there the rest of our guests.
#81239
A
come
B
comes
C
is coming
D
are coming