l do not know how_____this new word.A read B to read C to reading D/

问题描述:

l do not know how_____this new word.A read B to read C to reading D/

应该是B~~解释一下意思是“我不不知道真个新单词怎样读”,是一个HOW引导的宾语从句,HOW to do sth.意为什么怎样做。