17.-I saw Tom in the school just now.
-No,it ________ him.He left for London last week.( )
-No,it ________ him.He left for London last week.( )
A. | can be | B. | must be | C. | mustn't be | D. | can't be |
16.-Let's go to _______ cinema.
-Good idea.That'll take our mind off the problem for ________ while,and it will do us good.( )
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-Good idea.That'll take our mind off the problem for ________ while,and it will do us good.( )
A. | the; the | B. | the; a | C. | a; the | D. | a; a |