问题

It is a surprise for me to see that theseold-fashioned machines are still ________ in the big city.

A:in order
B:in use
C:in danger
D:in difficulty

正确答案是：

同类题型

Well,it’s getting late.I must be going.Thank you forinviting me to your birthday party.—______.

What color is it — ______.

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Can you my book meI need it．