―Could you please tell me you will go to Hong Kong on buiness?
―Sure. I prefer to take a plane.
A. wheather B.why C.when D. how
―Food safety is very important.
―So some rules to stop people from polluting food.
A. must make B. must be made
C. must made D. be made
The boy is often heard in the music room. He sings very well.
A. practice singing B. to practice singing
C. practiced singing D. to practice sing
The accident happened ______ a freezing winter morning.
A. on B. in C. at D. since
―When did she leave?
―As if it was 3:30. She for about 2 hours.
A. has been away B. left
C. has left D. has been left
People are talking about the old houses Jackie Chan bought in Anhui twenty years ago.
A. which B. where C. who D. when
