“Look at these tracks. It _______ be a wolf.” “Don’t be so sure. I think it _______ be a fox.”
#89541
A
must; could
B
may; might
C
need; must
D
could; need
推荐题目
---Oh,Tom! You are too late. ---Sorry. How I wish I_____measures Mr Smith suggested to leave ten minutes earlier.
#90226
A
adopted
B
would adopt
C
had adopted
D
could adopt
If the dog hadn’t woken us, we wouldn’t have noticed the fire and it _____ to the house next door.
#86352
A
could spread
B
should have spread
C
would spread
D
might have spread
We apologize for any inconvenience you _______ have been caused by the delay of the flight.
#87894
A
may
B
would
C
must
D
need
.—Would you mind if I opened the window? — ____. In fact , I was going to suggest you _____it.
#87228
A
Yes; not did
B
Not at all; do
C
More or less; did
D
Of course; do
The manager demanded that the task ______ within a week.
#87298
A
must complete
B
would be completed
C
be completed
D
must be completed
