Question

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23 ______all kinds of difficulties ,the workers have made rapid progress in the construction of
A With B for C Under D Befond
24 Low-carbon lifestyle is of great6 benefit to improve the would environment,______CAN BE
A Something B Nothing C Few D Much (特别b和c不理解)
25 She will have learned English for 10years by the time she ______from the university next year。
A will graduate Bwill have graduated C graduates D is to graduate

Answer 1

23. A （D Befond是什么？）
with有个特殊含义，意思是“虽然/尽管”，引导让步状语。
再如：With all his abilities, he failed completely.
尽管很能干, 他还是输得一败涂地。

24. 楼主没有打完题目，期待您的补充。

25. C
by the time引导的时间状语从句，意思是“到....时候为止”，表明主句的谓语动词是截止到什么时候，所以主句一般都会使用完成时。
如果主从句的动作都为发生的话，则该时间状语从句必须使用一般现在时代替一般将来时，而主句则使用将来完成时，也符合所谓的“主将从现”原则。
只有答案C为一般现在时。