---Look at these tracks. It _____ be a wolf.” ---Don’t be so sure. I think it _____ be a fox.
#87712
A
must; could
B
may; might
C
need; must
D
could; need
推荐题目
Eliza remembers everything exactly as if it _________ yesterday.
#90453
A
was happening
B
happens
C
has happened
D
happened
No student ______go out of school after eleven o’clock at night without the teacher’s permission.
#86981
A
will
B
must
C
may
D
shall
—Shall we go skating or stay at home?—Which do yourself?
#89658
A
do you rather
B
would you rather
C
will you rather
D
should you rather
The doctor insisted that the patients _____ in great danger and _____ operated on immediately.
#87305
A
was; be
B
be; be
C
was; was
D
be ; was
—You didn’t invite Mary to the ball?—____ her, too?
#89489
A
Must I invite
B
Should I have invited
C
Must I have invited
D
Should I invite