—Excuse me, Maria. Can I use your bike?—Sure. Here you are. But you must return it _____ time.
#38457
A
in
B
At
C
on
D
to
推荐题目
He is a ______ boy.
#43262
A
ten-years-old
B
ten-year-old
C
ten years old
D
ten year old
Are these trousers_____________?
#43849
A
Tom and Alice’s
B
Tom’s and Alice’s
C
Tom and Alice
D
Tom’s and Alice
 --It ______ be the new headmaster.-- No, it ______ be him. He went to Beijing yesterday.
#36776
A
can; must
B
must; can’t
C
can; can’t
D
must; may