英语 cross the road without looking right and left is dangerous
问题描述:
英语 cross the road without looking right and left is dangerous
crossing 为什么
答
因为动词原形不能做主语,英语中作主语的必须是名词、动词、相当于名词的词或词组.
crossing在此为动名词,可以作主语.有个is对吗?主语:cross the road without looking right and left系动词:is表语:dangerous