11.This university has _______ a great deal since our last visit.
A.appeared
B.altered
C.approached
D.admired
12.She is narrow minded and always _______ what other people have.
A. jealous
B.owes
C.misses
D.envies
13.When he woke up from his dream, the frightened boy tried to _______ his mother’s arm.
A.grape
B.grey
C.grip
D.grave
14.Mary has never been _______ a ship.
A.abroad
B.aboard
C.above
D.absorb
15.The modern camera lens may be coated with more than ten _______ for each piece of its glass.
A. levels
B.stories
C.layers
D.formations
16.The thief was _______ by the police at the railway station.
A.carpet
B.mined
C.captured
D.mounted
17.In fact, there is no _______ liberty in any country.
A.adequate
B.absolute
C.private
D.practical
18.There is too much noise outside. I can not _______my attention on my work.
A.connect
B.flat
C.fill
D.concentrate
19.While studying at U.C.L.A.,Mr.Wang _______ his old friend, whom he has not seen for nearly twenty years.
A.encountered
B.whispered
C.swung
D.maid
20.The _______ production of engines in our factory has doubled this year.
A.manual
B.annual
C.amount
D.alike