—Who’s that boy reading in the study ? Is it David?—It __________ be David. I saw him go home just now.
#74950
A
must
B
can’t
C
may
D
shouldn’t
推荐题目
You trust an online shop just because it has a beautifully-designed website.
#63254
A
shouldn’t
B
mustn’t
C
couldn’t
D
needn’t
—— It's no easy task to catch a ticket on a website that receives l billion clicks daily.一一I can’t agree with you more.There be errors for every single step
#62794
A
should
B
must
C
can
D
will
- Someone is knocking at the door. - It ______ be Tom. He is still in the school.
#74686
A
can’t
B
mustn’t
C
couldnot
D
might; not
It is usually warm in my hometown in March, but it _____ be rather cold sometimes.
#63464
A
would
B
can
C
should
D
must
