---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
At the sight of the snake, the little girl _____ move.
#87554
A
dares not
B
doesn’t dare to
C
dare not to
D
dares not to
English is a language that many people around the world not speak perfectly but at least can understand．
#87217
A
could
B
would
C
will
D
may
I ___to my cousin’s birthday party last night, but I was not available
#86788
A
went
B
had gone
C
would go
D
would have gone
—Tom, your foreign teacher speaks Chinese fluently!—Oh, she has lived in China for six years, otherwise she _______ such good Chinese.
#86413
A
didn’t speak
B
would not have spoken
C
would not speak
D
hadn’t spoken
After a heated discussion, we suggested the customer _______ the product back for repairs.
#87785
A
to send
B
send
C
sends
D
sent