---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
Having no enough time to practice, the girl wondered whether she _____ pass the driving test.
#87776
A
should
B
could
C
might
D
must
I can’t believe that anyone else in the school can swim as fast as you, ________?
#87473
A
can I
B
can't they
C
can't you
D
can they
When a pencil is partly in a glass of water, it looks as if it ______.
#90526
A
breaks
B
has broken
C
were broken
D
had been broken
The mother insisted her child ________________________.
#87244
A
to be checked
B
on having a check
C
be checked
D
should check
