21.For a wedding reception male guests usually wear black ______ and white shirts.

　　A.garments

　　B.dresses

　　C.clothes

　　D.suits

　　22.A red sky at sunset is a ______ of good weather.

　　A.symbol

　　B.signal

　　C.sign

　　D.emblem

　　23.It ______ me of the village where we spent our holidays summer.

　　A.remembers

　　B.reminds

　　C.recalls

　　D.relies

　　24.John ______ knowledge of radio just by staying around the radio station.

　　A.caught on

　　B.worked up

　　C.took up

　　D.picked up

　　25.Trains stop here in order to ______ passengers only.

　　A.get off

　　B.pick up

　　C.pull up

　　D.pull in

　　26.He ______ some German while he was away on a business trip in Berlin.

　　A.picked out

　　B.picked up

　　C.gave up

　　D.gave out

　　27.Wihtout proper lessons, you could ______ a lot of bad habits when playing the piano.

　　A.keep up

　　B.pick up

　　C.draw up

　　D.catch up

　　28.In spite of the ______ of his teeth he still put off going to see the doctor as long as possible.

　　A.discomfort

　　B.trouble

　　C.difficulty

　　D.pain

　　29.City life has a quicker ______ than life in the country.

　　A.step

　　B.walk

　　C.pace

　　D.rate

　　30.Many people complain of the rapid ______ of modern life.

　　A.rate

　　B.pace

　　C.speed

　　D.growth

　　31.Carine is not in the ______ for going to the ball tonight.

　　A.condition

　　B.temper

　　C.mood

　　D.motion

　　32.She is very careful. She ______ very few mistakes in her work.

　　A.does

　　B.takes

　　C.makes

　　D.gets

　　33.She chose cushions of a color which would ______ her carpet.

　　A.equal

　　B.agree

　　C.help

　　D.match

　　34.The performance ______ nearly three hours, but few people left the theatre early.

　　A.covered

　　B.reached

　　C.played

　　D.lasted

　　35.Ben has not the least ______ of giving up his research.

　　A.intention

　　B.attempt

　　C.aim

　　D.desire

　　36.His father, who was an Oxford student, graduated from the famous university with higher ______ twenty years ago.

　　A.marks

　　B.honors

　　C.respect

　　D.praise

　　37.Everyone should fight for the ______ of their own country.

　　A.favour

　　B.reward

　　C.honour

　　D.prize

　　38.______ a moment and I will go to your rescue.

　　A.Go on

　　B.Hold on

　　C.Move to

　　D.Carry on

　　39.He hated the war so much that he decided to leave the army ______.

　　A.for long

　　B.once in a while

　　C.for good

　　D.once upon a time

　　40.To regain their ______ after an exhausting game, the players lay and rested on the grass.

　　A.force

　　B.energy

　　C.power

　　D.health