— Can you____ a tent by yourself ? —Sorry . It’s a little difficult for me.
| A．put on | B．put up |
| C．put down | D．put out |
They were made ________ ten hours a day.
| A．working | B．to work | C．work | D．worked |
I have nothing ________ you.
| A． to send | B．sending | C．to sending | D．send |
It is very hot here. Would you mind ________ the window?
| A．to open | B．opening | C．open | D．to opening |
Please tell me the change __________ the number of students in our school.
| A．in | B．into | C．to | D．with |
The parents __________ food and clothes.
| A．provide the children to | B．provide the children for |
| C．provide the children against | D．provide the children with |