问题

_______ do you exercise? —Three to six times a week. [ ]

A: When
B: How often
C: How long
D: How much

正确答案是：

标签： do , how

同类题型

Sleep well, Mary? —No. The noise the workers _____ me awake for hours. [ ]

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Excuse me. Which is the way ______ the post office, please? —Sorry, I don’t know. You can ask the policeman _______ help. [ ]