Having a trip abroad is certainly good f_爱下问搜题

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问题选择题

Having a trip abroad is certainly good for the old couple, but it remains ______ whether they will enjoy it.[ ]

A. to see

B. to be seen

C. seeing

D. seen

答案

答案：B

选择题

Turn on the blender ______ about two minutes. [ ]

A. of

B. in

C. for

D. with

多项选择题

带状服务区一般应用在（）的移动通信系统。

A、铁路

B、公路

C、沿海

D、内河航道