How amazing it is that Zuckberg can speak Chinese! After all, it is a big_____ for any westerner to learn such a totally different language.
A. adventure B. achievement
C. trend D. challenge
All the tickets for the flight have been sold out. You can one for tomorrow.
A. save B. reserve
C. arrange D. deserve
---Where is Mary?
---Oh, she went out after breakfast, and her paper in the library ever since. You can find her there.
A. Wrote B. had written
C. has been writing D. is writing
When you’ve finished reading the book, don’t forget to put it back on the shelf , ?
A. do you B. don't you
C. will you D. won't you
He has reached the point he can solve almost every software problem his colleagues may meet in daily work.
A. Which B. when
C. where D. that
In case you feel nervous during the interview, you can make full preparations .
A. in return B. in time
C. in common D. in advance
