This is a boy and girl.These are a boy and a girl
This is a boy.是分开的。除非在路上说，就像These are the girls。These are the boys.These are the cildren.
“boy and girl”是特刊
英语的亲近原则。
语感
0
This is a boy.是分开的。除非在路上说，就像These are the girls。These are the boys.These are the cildren.
“boy and girl”是特刊
英语的亲近原则。
语感