------ __ does your father go to see your grandmother ?
------Once a month .
A.How long. B. How soon C. How often.
Help ________ to some beef, Lucy and Lily. It’s very delicious.
| A．yourself | B．yourselves | C．herself | D．themselves |
Derek is a polite boy. Everybody in our class ________ him.
| A．like | B．likes | C．liked | D．will like |
Can you imagine what the world will be like in ________ time?
| A．30 years’ | B．30 year’s | C．30-years | D．30-year’s |
—I think we should keep the animals in the zoo.
—No. I am ________ you. Animals should be in the nature.
| A．for | B．against | C．on | D．in |
These are your English books. But where are ________?
| A．I | B．me | C．my | D．mine |