1.This is a Chinese stamp.(改为否定句和一般疑问句)

问题描述:

1.This is a Chinese stamp.(改为否定句和一般疑问句)
否定句:
一般疑问句:
2.These are Chinese stmps..(改为否定句和一般疑问句)
否定句:
一般疑问句:

1.This is a Chinese stamp.(改为否定句和一般疑问句)
否定句:There isn't a Chinese stamp.
一般疑问句:Is there a Chinese stamp?
2.These are Chinese stmps..(改为否定句和一般疑问句)
否定句:There aren't Chinese stamps.
一般疑问句:Are there Chinese stamps?
希望能够帮到楼主