Nowadays people sometimes separate their waste to make it easier for it .
| A．reusing | B．reused | C．reuses | D．to be reused |
We found some _______of rice near the hole . The mice may have stored a lot of____in the hole.
| A．grain;grain | B．grain;grains | C．grains; grains | D．grains;grain |
Last night, the host________us with some old tales.
| A．amused | B．served | C．entertained | D．treated |
The beef_________now is for the dinner party.
A. being cooked B, cooked C .been cooked D. cooking
It was only when I read this story for a second time________to appreciate its beauty.
| A．did I begin | B．that I began | C．then I began | D．had I begun |
. The doctor was so kind that he devoted all his spare time he had _______the poor boy.
A. to helping B. helped C. helping D to help