76、She could hardly believe it, ?
) Q8 w/ O! A" s4 o, j y% B* c A.couldn’t she B.could she C.didn’t she D.did she
# f! ^7 _& Y! p2 j& ]6 [77、You needn’t go, ?- @" B9 `2 z1 Z7 m
A.can you B.must you C.need you D.may you
+ |5 X% `3 Z3 F; {& `78、You must work hard from now on, ?
& [* l$ }! P' k$ e A.can you B.won’t you C.mustn’t you D.needn’t you$ q+ G" `( a! x2 t4 L: Z
79、After walking so long a way, you must have been tired, you?) O& A0 T* o7 u9 v- ]" t
A.were B.have C.haven’t D.mustn’t
. e4 \- D, p+ M! h80、He must have left home yesterday, he?# ~+ Y2 |8 |4 v6 r) W
A.hasn’t B.didn’t C.mustn’t D.needn’t
2 j' ]# X& N" H* n76、B 77、C 78、C+ \. n( Y1 ?" }) W! f
79、C 80、B |