Lots of astronauts the space station.They found it very interesting.
A. have been in B. have gone to
C. have been to D. have gone in
Perhaps I am weak do any exercise.
A. so ， that B. in order， to
C. to，to D. too， to
—How long have you ____here?
—For two days. I _____here the day before yesterday.
A. been；came B. come; came
C. came; came D. came;come
My grandmother ________ in Yangzhou. She was born there and has never lived anywhere else.
A. lived B. lives
C. was living D. will live
Children kept during the meeting
A. standing B. stand
C. to stand D. stood
I can't help my happy childhood.
A. thinking of B. think of
C. think about D. thought about
