There's ______ when we shall meet again

There's ______ when we shall meet again

1. There's ______ when we shall meet again.

A.not know                   

B.not to know                

C.no knowing                 

D.never knowing              

.标准答案：C

2. _________the problems，we have to go ahead.

A.In spite                   

B.In spite of                

C.Though                     

D.However                    

.标准答案：B

3. She has lost a dictionary, ___ she bought only the other day.

A.which        

B.that         

C.and which    

D.and that     

.标准答案：A