His father knew little about the secret I told him the other day .
A. when B. after C. until D. while
He climbed up the ladder ____ the wall and went into the room _____ the open window.
A. through; against B. against; through
C. against; against D. through; through
The boy refused ______ so many strange questions.
A. to answer B. answering
C. answer D. answered
---The couple _______ abroad recently. They’ll return home in 3 days.
---What great fun! But I _______ my hometown since I worked.
A. have been; have never left
B. have gone; have never left
C. have been; have been away from
D. have gone; have been away from
---Must I hand in my homework today? ---No, you .
A. mustn’t B. don’t have to
C. shouldn’t D. may not
It is believed that traveling to Wuxi in March is enjoyable experience.
A. /; the B. the; an
C. /; an D. the; the