（题文）Beijing's new international airport ___________ into use in 2019 will serve 72 million passengers annually.
A. being put B. to be put
C. put D. putting
Choosing the right dictionary depends on ______ you want to use it for.
A. what B. why
C. how D. whether
—Why can't you go with me to the National Museum?
—I ___________ an essay all the morning and haven't finished yet.
A. write B. had written
C. will write D. have been writing
Maria has written two novels, both of ________ have been made into television series.
A. them B. that C. which D. what
11. It was when I got back to my apartment ______ I first came across my new neighbors.
A. who B. where
C. which D. that
（题文）We climbed up to the top of a hill,___________ we got a good view of the whole forest park.
A. which B. where
C. when D. that
