---Look at the boy running on the playground. Is it David? ---It ______ be him. I saw him go to the teachers’ office just now.
#76689
A
mustn’t
B
can’t
C
couldn’t
D
must
推荐题目
You _____ hurt your stomach if drinking beer while having sea food.
#63244
A
may
B
need
C
ought to
D
shall
--- The research on the new bird flu virus vaccine is challenging and demanding. Who do you think can do the job?---____ my students have a try?
#62974
A
Shall
B
Must
C
Will
D
May
Mary _______ be in the hospital. I saw her play basketball a minute ago.
#62940
A
mustn’t
B
shouldn’t
C
can’t
D
may not
—Do you know whose dictionary it is?—It ________ be Ann’s. Look! Her name is on the first page.
#74986
A
must
B
could
C
might
D
can
– When can I get the ticket for the opening ceremony? -- Don’t worry. You ____ get one this very afternoon.
#63145
A
would
B
shall
C
must
D
might