—I have never been to the Great wall.
—If you have an opportunity _______ there, you must take it.
A. to go B. to going C. going D. go
There was _____ woman in the room, sitting and looking at me in the dark.
A. a 80-year-old B. an 80-year-old C. a 80-years-old D. an 80-years-old
—How do you study English so well?
—I think _________ English movies is a good way to learn English.
A. watching B. learning C. reading D. looking
Don’t _______ the people who are in trouble.
A. help B. look after C. laugh at D. play with
---If I were you, I ________ study harder
A. had B. would C. did D . do
This book is a bit difficult. ________ read something easier?
A.Why not to B. Why don’t C. Why not D. Why not you