Vocabulary and Structure(20 points).

　　Directions：There are 30 incomplete sentences in this part.For each sentence there are four choices marked A,B,CandD.Choose the answer that best completes the sentence.Then mark the correspondingletter on the Answer Sheet with a single through the center.

　　1、 Had he worked harder，he __________ the exams.

　　A.must have got through

　　B.would have got through

　　C.would get through

　　D.could get through

　　2、 __________ seeing the damage he had done，the child felt ashamed.

　　A.Bv

　　B.On

　　C.At

　　D.For

　　3、 He is one of the most__________conductors I have ever known.

　　A.spiritual

　　B.energetic

　　C.alive

　　D.vivid

　　4、 It’S well—known that man__________ from lower forms of life.

　　A.evolved

　　B.revolved

　　C.involved

　　D.resolved

　　5、 Life on earth is__________ varied and complex.

　　A.grotlndlessly

　　B.shockingly

　　C.amazingly

　　D.broadly

　　6、 No sooner__________ the top of the mountain than it started raining cats and dogs.

　　A.did the climbers reached

　　B.the climbers reached

　　C.have the climbers reached

　　D.had the climbers reached