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. is b. are c. were d. be of the crop ______.a. are ruined b. was ruined c. were ruined d. have been ruined of the buildings ______.a. was destroyed b. is destroyed c. were destroyed d. has been destroyed to bed and early to rise ______ a man healthy, happy and wise.a. making b. to make c. make d. makes ______ the language of science.a. is b. has been c. are d. have been young ______ the vital forces in our society.a. is b. has been c. are d. have been man, woman and child ______ some history, enough at least, to survive in the world.a. knows b. know c. is known d. are known of them ______ my friends.a. is b. are c. was d. has been only the whole nation, but the whole Europe , indeed the whole human society ______ to alter its attitude to racial problems.a. need b. needs c. has a need d. have a need to other planets or to the moon _____ many problems.a. involve b. involves c. involving d. to involve that country, the rich ______ richer, the poor, poorer. a. bee b. has bee c. bees d. is being project requires more labor than ______ because it is extremely difficult.a. has been put in b. have been put in c. being put in d. to be put in one in one hundred children exposed to the disease ______ likely to develop it.a. should be b. must be c. is d. are 主謂一致練習(xí)答案1C19D37D2A20C38A3A21D39B4D22B40C5C23A41D6C24A42D7B25C43C8A26A44A9D27D45B10B28A46B11C29D47B12D30D48A13B31C49A14C32C50C15C33C5116B34D5217A35C5318B36A54