Question

The teacher asked more _____ to prevent the students’ eyes from being injured.

A. to do             B. done 　          C. to be done          D. being done

Answer 1

C

解析:

由ask sb. to do sth.可知此處應(yīng)用不定式。賓語與賓語補(bǔ)足語之間為被動關(guān)系，故用to be done。