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
