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请给正确答案并说明.1.Thepolicedemandedthatthemurdererhimselfupunconditionaly.A.giveB.givingC.gave2.weconsideritourresponsibilityourenvironmenthealthyandclean.A.tokeepBkeeping3.Twopeoplediedhiscarlessness.A.asa

题目详情
请给正确答案并说明.
1.The police demanded that the murderer___himself up unconditionaly.
A.give B.giving C.gave
2.we consider it our responsibility__our environment healthy and clean.
A.to keep B keeping
3.Two people died__his carlessness.
A.as a result of B.as a result from
4.Ever since the boy called her fat,Jenny began to commit herself__the weight and getting into shape.
A.to shed B to shedding.C.shedding
▼优质解答
答案和解析
AAAB
1.省略SHOULD
2.不定式作后置定语
3.4.均为固定搭配