6.I can't________ my math book. Can you help me?
A.watch
B.see
C.find
D.look
第1题:
A.mustn't
B.can't
C.needn't
第2题:
Must I stay at the office this afternoon? ---No, you ______.
A、don’t
B、needn’t
C、don’t need
D、can’t
第3题:
A、will not
B、may not
C、can't
D、needn't
第4题:
A、wouldn’t have seen
B、shouldn’t have seen
C、mustn’t have seen
D、can’t have seen
第5题:
The price you quoted is so high that we () help ()this transaction.
A、can…to cancel
B、can't...canceling
C、can…canceling
D、can't…to cancel
第6题:
A.Must; needn’t
B.Can; can’t
C.May; mustn’t
D.Can; mustn’t