11. He was born ______ a teacher’s family.
A. in
B. off
C. at
D. of
12. Distance can help us rediscover ourselves, ______ we are able to meet each other in a new way.
A. that
B. so as to
C. so that
D. in order that
13. He ______ gardening and planted a lot of beautiful rose trees in his retirement.
A. took over
B. took out
C. took on
D. took to
14. A few minutes after the plane had taken off, it developed engine trouble and ______.
A. crashed
B. dashed
C. stopped
D. blushed
15. The conference ______ three days by the time it ends.
A. must have lasted
B. will have lasted
C. would last
D. has lasted