摘要
[ 问 ] I like swimming, while what my brother enjoys . （A. cooking B. to cook C. is cooking D. cook ） 我认为答案应选A，enjoy后跟动词时要跟V-ing形式，而答案却是C，为什么？
[问] It is very difficult for the people who ___ nicotine to give up smoking. （A. used to B. isusedto C. are used D. get used to）
