—I always look out before crossing the street.
—You are right. You can't be too______.
A. nervous
B. careful
C. careless
D. hurried
第1题:
-Mayweleavetheclassroomnow?
-No,you______.You______toleaveuntilthebellrings.
A.mustn’t,areallowed
B.don’thaveto,aresupposed
C.needn’t,aren’tallowed
D.can’t,aren’tsupposed
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.Must; needn’t
B.Can; can’t
C.May; mustn’t
D.Can; mustn’t
第4题:
A.mustn't
B.can't
C.needn't
第5题:
A、will not
B、may not
C、can't
D、needn't
第6题:
I put my coat here? Sorry, you()
AMay; mustn't
BDo; don't
Ccan; needn't
DMay; can't