This is a pig,I think.中,This is a pig能不能缩写成 This's a pig .
This is a pig,I think.中,This is a pig不能缩写成 This's a pig 还有哪些类似的不能缩写的情形?
有没有一定要缩写的情形?
这是小学四年级一课一练的找错题，This's a pig，I think。答案要求改为 This is a pig，I think.