16.Steam ___________ into water when it touches a cold surfa

16.Steam ___________ into water when it touches a cold surface.
A.shrinks B.collapses C.links D.condenses
17.The authorities have refused to ___________ him a visa to visit England.
A.apply B.grant C.approve D.agree
18.As a driver,Mike had to take his ____________ of responsibility for the accident.
A.section B.share C.role D.duty
19.If he ____________ here I could explain to him myself.
A.is B.has been C.were D.was
20.__________ to see smoke pouring out of a hole in her house,she called the police for help.
A.Shocking B.Being shocked C.Shocked D.To be shocked
21.It was not until he arrived at the station ___________ he realized he had forgotten his ticket.
A.before B.when C.that D.after
22.What I’m saying now isn’t going to ________ what I’ll do next semester.
A.defect B.affect C.effect D.infect
23.The headmaster __________ us an extra holiday.
A.grasped B.planted C.granted D.programmed
24.The sight of the castle was the end of her walk,and meant she must ___________ back.
A.return B.turn C.walk D.travel
25.Words cannot ___________ the beauty of the scene.
A.say B.talk C.speak D.describe
26.This arrangement is only ____________.
A.temporary B.contemporary C.explanatory D.planetary
27.She made a ___________ donation to the fund.
A.individual B.personnel C.single D.personal
28.Public schools in the United States are __________ the control of the individual states.
A.over B.under C.in D.at
29.Students are entitled __________ free medical care under the National Health Service.
A.by B.of C.on D.to
30.This period of ___________ from teaching is called a “sabbatical leave”.
A.away B.freedom C.far D.leave

16-20dbbcc,21-25cbcbd,26-30aabd