This is an(a) orange.
These are(is) my books.
What can you see(sees) in the map.
Don't touch(touches) my nose.
These are my rulers(ruler).
左边是错的，右边是对的
a an
is are
sees see
touches touch
ruler rulers
1This is an orange
2.These are my books
3.What can you see in the map
4.Don't touch my nose
5.These are my rulers
1.a-->an
2.books-->book
3.sees-->see
4.touches--->touch
5.ruler-->rulers
1 a改为an
2 are
3 去掉sees后面s
4 去掉s
5 rulers
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