----We have a lot of cakes here.Help _____ to some more ,kids.
----Thank you.
| A．yourselves | B．you | C．your own | D．yourself |
Billy is so tired _____ he worked all night in his office.
| A．when | B．because | C．if | D．so |
We must stop _____down trees if we don’t want a world without them.
| A．cut | B．to cut | C．cutting | D．cuts |
Are your parents strict_____ your school work ?
| A．to | B．of | C．with | D．about |
Alice and I often study and play_____ table tennis together.
| A．a | B．an | C．the | D．/ |