Do you find ____ hard to understand real English?
A. it B. them C. this D. that
--- Have you ever ____.
--- No, never.
A. abroad B. go abroad C. going abroad D. been abroad
These English words are important, please _____.
A. write down them B. write it down
C. write them down D. write down
--- Where is Mary?
--- She ____ to Harbin.
A. has been B. has gone C. had been D. goes
I’ve ____ met her before, so I don’t know her.
A. never B. ever C. just D. yet
--- ____ have you been a member of Greener China?
--- For two years.
A. How often B. How long C. When D. How far