The doctor told him ________.Smoking is bad for his health.
| A．to smoke | B．not to smoke |
| C．not smoking | D．how to smoke |
My father is teacher. He loves________ students very much.
| A．his | B．him | C．their | D．them |
— Please tell me___________.
— Next Saturday.
| A．when did we have a party | B．when will we have a party |
| C．when we had a party | D．when we will have a party |
These boxes ______ for keeping the food clean and cool.
| A．use | B．are used | C．have used | D．were using |
My parents asked me ______ my sister with her schoolwork.
| A．help | B．to help | C．helping | D．helped |
Sir, would you mind not _____ here, please?
| A．to smoke | B．smoke | C．smoking | D．smoked |