He has no idea what the book is about.He        have read it very carefully.
#87733
A
needn’t
B
shouldn’t
C
can’t
D
mustn’t
推荐题目
 Without electricity human life ________ quite different today. 
#89387
A
is
B
will be
C
would have been
D
would be
I’ll lend you the money only on ______you can pay ______on time.
#88141
A
condition that;it back
B
condition that;for it
C
one condition;for it
D
one condition;it back
He suggested the problem worth paying attention ______ at the meeting.
#86824
A
to be discussed
B
to being discussed
C
to discuss
D
to discussing
-- Jimmy is still unhappy today.-- It’s all your fault. You ______ to her yesterday for your mindless mistake.
#87582
A
should apologize
B
should have apologized
C
shouldn’t have apologized
D
must apologize