Do you know how to ____ ice into water?
| A．change | B．dry | C．make | D．produce |
.The boy __in the teacher’s office was found _ yesterday .
| A．standing, smoke | B．standing, smoking |
| C．stood, smoke | D．stood, smoking |
Only when the work is done ________ be able to go back home.
| A．you have | B．you will |
| C．will you | D．have you |
All the donated money should be made full use ___the homeless people Ya'an city of Sichuan province.
| A．of helping | B．to help |
| C．of to help | D．to helping |
．Who is knocking at the door?
——It ______ Mr. Black, because he_______Washington.
| A．can't be;has gone to | B．may be;has been to |
| C．must’t be;has gone to | D．may be;went |
It’s raining heavily .But ___ of the farmers are picking up
the apples ___ the trees.
| A．every, in | B．none , in |
| C．none, on | D．some,in |