Bill was staying on a farm with his uncle last summer.So ____ Mary.
#84573
A
did
B
has
C
was
D
is
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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
Never in my wildest dreams ______ these people are living in such poor conditions.
#83856
A
I could imagine
B
could I imagine
C
I couldn’t imagine
D
couldn’t I imagine
There is no doubt ______ you'll be warmly welcomed by people there.
#81148
A
if
B
whether
C
that
D
about
—What do you think of Zhang Qiang?— does he study hard in school, does he keep the school rules.
#81230
A
Not only; but also
B
Neither; nor
C
Either; or
D
Hardly; when
Not until he retired from teaching three years ago _______having a holiday abroad .
#80245
A
he had considered
B
had he considered
C
he considered
D
did he consider