题目内容

There is no doubt the greatest advances in bionics will be electronic in nature.

A. whether
B. if
C. what
D. that

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My big new house is very comfortable, but I have to pay a lot in ____________.

A. rates
B. fees
C. figures
D. proportions

It was often the case ____________ we stayed in the town for dinner.

A. which
B. what
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A. access
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C. responsibility
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It was not until he had come near his home ______ suddenly remembered what his wife told him to do in the morning.

A. did he
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C. that he
D. when he