问题

It remains to be seen ________ this plan is practical enough to keep the project going

A:whether
B:how
C:where
D:when

正确答案是：

同类题型

Driving past the crossroads, I found a little girl ____ on the sidewalk crying.

You have made great progress recently. —______.

Where did you meet him for the first time?— It was in WL International Middle School ______ we studied together[ ]

I went to Daming Lake yesterday. There were ______ people. —Yes. Everyone wants to go out on such a good day.

Have we got ____juice—Yes, we’ve got _____juice. We haven’t got ______ milk.