He _____ have completed his work; otherwise, he wouldn’t be enjoying himself by the seaside.
#90507
A
should
B
must
C
wouldn’t
D
can’t
推荐题目
 There was plenty of time . She ____ . 
#89753
A
needn''t hurry
B
mustn''t hurry
C
needn''t have hurried
D
mustn''t have hurried
She didn't answer the phone.She ___ be asleep.
#88930
A
couldn't
B
mustn’t
C
might
D
had to
Thank you very much. Without your help we ______ car started.
#86960
A
didn’t get
B
hadn’t got
C
couldn’t get
D
couldn’t have got