It is required that we _________ what teachers require 　　　 us in class.

　 A. will do, of　　 B. must do, from　　 C. do, of　　　　 D. should do, for

 

C

我們被要求按照老師要求我們的去做。在含有require的從句中，應(yīng)用虛擬語(yǔ)氣，（should）do; require sth of sb 對(duì)某人有…的要求；what引導(dǎo)賓語(yǔ)從句，同時(shí)充當(dāng)“require”的賓語(yǔ)。

 

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