1.（ ）a teacher,John thinks that his main duty is to heip the students to become better learners.
A.AsB.ByC.AboutD.For
答案是A.我想问问，这四个选项的区别。
2.—Maya is a loving grandmother.
--Yeah,she__all her feer time on her grandchildren.
A.pays B.takes C. costs D.spends
答案是D，为什麽不选A不是take用于时间上吗？
3.I could not see __,because there was not ___
A.enough clearly, light enough B.clear enough ,enough light C.enough clearly,enough light D.claerly enough ,light enough
答案是B，为什麽不选D，此时light做表语，是adj.enough应该后置啊？
4.The teacher ___be in office ,for I saw her here just a minute ago.
A.can not B.needn't C.mustn't D.won't
这道题需要把四个选项都分析一下，谢谢！
需要悬赏的话，hi上告诉我。谢谢！
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