Rarely _____________________ .
#82892
A
the temperature falls below zero here
B
falls the temperature below zero here
C
does the temperature fall below zero here
D
has the temperature fallen below zero here
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Not until he retired from teaching three years ago ________ having a holiday abroad.
#79518
A
he had considered
B
had he considered
C
he considered
D
did he consider
Facing the poor grades, Maria is wondering what it to learn English well.
#81767
A
takes
B
uses
C
makes
D
prepares
If you don’t go to see the film this evening, .
#80458
A
neither will I
B
so will I
C
neither do I
D
I will neither
By the time I saw the angry expression on his face, I ______ exactly what I was having to face. But not for a moment ______ I should quit.
#83180
A
had known; I thought
B
have known; had I thought
C
would know; I would think
D
knew; did I think
The achievements of the greatest minds in science could never have been reached________ the patient work of hundreds of others．
#83215
A
were it not for
B
had it not been because
C
had it not been for
D
if it had not been