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。