当你写了错字时，你最需要什么文具？
A.a ruler B.a rubber C.a pencil sharpener
This is our school . way , please .
| A．The | B．Walk | C．This | D．Go |
Let him show around school .
| A．our , her | B．us , him | C．we , his | D．us , his |
They take their students the park .
| A．from | B．away | C．to | D．in |
He often helps his classmates their English .
| A．to | B．with | C．on | D．in |
We do a lot interesting things science class .
| A．on , in | B．for , on | C．of , in | D．an , on |