问题
_______did it _______ the conductor to check the tickets this morning? — Half an hour.
A:How soon; take
B:How long; cost
C:How often; spent
D:How long; take
B:How long; cost
C:How often; spent
D:How long; take
正确答案是：
同类题型
______ is it from the factory to your house? — Five minutes’ walk. [ ]
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The Bunsen Burner is so named because it is thought ___________ by Robert Bunsen.
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