—Is the letter from your mother?—Yes. But she ________ the letter herself, because she doesn't even know one word.
#86535
A
needn't have written
B
can't have written
C
might not have written
D
should not have written
推荐题目
We ________ such great achievements without your efforts. Thanks a lot.
#87483
A
can’t have made
B
couldn’t have made
C
were unable to make
D
are unable to make
My little son _____ out alone at night.
#88107
A
dares not go
B
dares not to go
C
dare not to go
D
doesn’t dare to go
— Hi, Mary. Any idea where Bill is?— He ______ in the library. I saw him reading books there just now.
#88057
A
shall be
B
should have been
C
must be
D
might have been
Look! If we had begun to do the work yesterday morning, we _______ ourselves just like them．
#87236
A
would have enjoyed
B
were to enjoy
C
should enjoy
D
would be enjoying
Nathalie suggested the problem worth paying attention ______ at the meeting.
#86723
A
to be discussed
B
to been discussed
C
being discussed
D
be discussed