问题

_____did the space flight last? —Twenty-one hours.[ ]

A:How many
B: How long
C: How soon
D: How often

正确答案是：

标签： did , how

同类题型

The postcards often remind me _____ my old friends. [ ]

is the price of the dictionary?

Could you tell me ________?—Sorry. I don’t know. I didn’t attend the meeting.

If you can’t decide which of the two novels to borrow,why don’t you take________? —I won’t read them this month.

I’m afraid I’ll be there _______ five o’clock. It’s a little far from here. [ ]