问题

It is still under discussion _________ the old busstation should be replaced with a modern hotel or not.

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

正确答案是：

同类题型

speak to your manager MrWilliansat five o’clock tonight"—"I’m sorry, MrWilliams _______ toa conference before then"

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What would you like, John– I’d like two .

Mind if I sit here— _________．