Online paper-checking requires that more attention .A. be paid to spellingB. to be paid to

问题补充：

Online paper-checking requires that more attention .

A. be paid to spelling

B. to be paid to spelling

C. should pay to spelling

D. and spelling be paid to

答案：

(答案→)A. be paid to spelling

B. to be paid to spelling

C. should pay to spelling

D. and spelling be paid to

解析：require后接的宾语从句中要用“(should) + 动词原形”形式。另外pay attention to后接名词或动名词。