Question

— Who’s singing in the next room?
— It ______ be Mary. She ______ New York.

A．mustn’t, is in

B．must, has gone to

C．could, has been in

D．can’t, has gone to

Answer 1

D

            
試題分析: 句意:誰在隔壁唱歌呢？不可能是瑪麗，她已經(jīng)去了紐約了。Mustn’t千萬不要，must肯定，could可能，can’t不可能。is in在，has gone to已經(jīng)去了某地還沒回來，has been in已經(jīng)在某地。根據(jù)語境可知是在此處的不可能是瑪麗，因?yàn)樗�已�?jīng)去了紐約了，故答案選D.