Question

There are some erasers in the box改成单数句

Answer 1

应该是：There is an eraser in the box . “are”的单数是“is”;“some”的单数是“an”(因为eraser的首字母是元音字母，所以要用an), 再把复数“ erasers”改为单数“eraser”.

Answer 2

There is an eraser in the box.在盒子里有一块橡皮

Answer 3

There are some erasers in the box改成单数句
There is an eraser in the box.在盒子里有一块橡皮

Answer 4

There is an eraser in the box.

Answer 5

There is an eraser in the box
盒子里有一块橡皮