题目内容

Scarcely____ asleep when a knock at the door awakened her.

A. had she fallen
B. she had fallen
C. did she fall
D. she fell

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____ man realized that the brain controlled our thinking.

A. It was not until the 18thcentury
B. It was the 18thcentury since
C. Not until the 18thcentury did
D. It was until the 18thcentury which

It was on the date_____ they went abroad

A. on which
B. when
C. that
D. which

Itwas not until the subprime loan crisis ____ great damage to the American financial system that Americans _____ the severity of the situation.

A. caused, realized
B. had caused, realized
C. caused, had realized
D. was caused, had realized

It was ______ he came back from Africa that year_____ he met the girl he would like to marry.

A. when; then
B. not; until
C. not until; that
D. only; when

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