问题

To our relief, at last the opening ceremony of the sports meeting we had been looking forward to _____on time.[ ]

A: had started
B: starting
C: started
D: being started

正确答案是：

同类题型

Someone is ringing the doorbell.Go and see________.[ ]

_________ did you work out the problem in such a short time—With Mr. Li’s help.

The teacher asked me to repeat his words and_____.

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He admitted ____________ in the examination .