—Did Liu Xiang’s training programme _____ a lot of his time?—Yes, that’s right.
——What about ____sightseeing this weekend ?—— That sounds interesting!A. go B. to go C. going
Tom's brother is ______ than him.A. out goinger B. more outgoing C. most outgoing
It takes my mother one hour ______ to workA. go B. to go C. going
I often go to school ______.A. by bus B. by buses C. by a bus
It’s important _______ us __________English well.A. of, learning B. for, to learn C. of, to learn