It’s a good ideathese news words in groups.A. to readB. to readingC. readD. reads

问题补充：

It’s a good ideathese news words in groups.

A. to read

B. to reading

C. read

D. reads

答案：

(答案→)A. to read

B. to reading

C. read

D. reads

解析：句意：分组读这些新单词是个好注意。不定式做主语表示具体的将要进行的动作，本句中it做形式主语，指代下文不定式内容，故选A。