答案是d
因為前倆個詞組是有固定用法的
make an effort to do sth
make efforts to do sth.
而make effort是泛指要努力了,要爭氣了,
它可以單獨用,后面不需要跟不定式去組句.
i have fallen behind in my study,so i have got to___
i have fallen behind in my study,so i have got to___
A.make an effort B.make efforts C.study hard D.make effort
A.make an effort B.make efforts C.study hard D.make effort
其他人氣：377 ℃時間：2020-06-02 19:08:11
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