4. If _______ in the fridge, the fruit can remain fresh for more than a week.
A. keeping
B. be kept
C. kept
D. to keep
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5. It was not until yesterday evening ________ the manager made his decision known.
A. when
B. that
C. as
D. so
6. Since Dick was busy, he rarely had time to go to the cinema;__________.
A. Jane did too
B. Jane didn't as well
C. so did Jane
D. nor did Jane
7. It was not until the accident happened _________.
A. when I realized my carelessness
B. that I realized my carelessness
C. as I realized my carelessness
D. when my carelessness has been realized
8. _______got in the wheat than it began to rain heavily.
A. No sooner have they
B. No sooner had they
C. No sooner they have
D. No sooner they had
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