---Whose book is this?---It________ be Ning’s because it has her name on it.
#75302
A
must
B
can’t
C
might
D
could
推荐题目
－What is your math teacher like, Nick?－She is very kind _________ she looks a little serious.
#77143
A
although
B
if
C
so
D
until
You have worked for a long time. You ____________ be very tired.
#74757
A
must
B
can’t
C
could
D
mustn’t
--- ______ I bring you all the magazines right now?--- No, you don’t have to, but you ______ give them to me tomorrow.
#74955
A
May; can
B
Should; must
C
Can; can
D
Must; had better
Without gravity, we _____ walk on the ground as freely as we do now.
#63085
A
couldn’t
B
mustn’t
C
shan’t
D
needn’t
You _______be hungry already—you had lunch only two hours ago.
#63104
A
can”t
B
wouldn”t
C
mustn’t
D
needn”t