_______is really difficult for them_______the mountain.
A.This,climbing B.This,to climb
C.It,to climb D.It,climbing
I like skiing better than climbing because I think climbing is ________ skiing.
A.not as exciting as B.not as more exciting as
C.not as most exciting as D.more exciting than
It took me two weeks________reading the novels written by Guo Jingming.
A.finish B.to finish
C.finishes D.finishing
---Tim played the guiter very well in the school talent show.
---I think so.He practices________it every day.
A.play B.playing C.to play D. plays
---What about _______ a rest?
---OK!Let’s go for a walk.
A.to have B.had C.have D.having
You should _______ in the dictionary when you meet a new word.
A.look it up B.look after it
C.look it over D.look it through
