- You look worried. What's the matter?
- I have some problems with my parents. I really don't know_______.
| A．who to speak | B．who speaks to | C．who to speak to | D．who speaking to |
You are never too young _________ doing things.
| A．to starting | B．start | C．to start | D．starting |
Ronaldo is a great __________soccer player.
| A．Brazil | B．Brazilian | C．America | D．Japan |
It’s time for class. Please stop __________.
| A．talk | B．to talk | C．talking | D．talked |
It rained yesterday. And we stopped playing basketball __________ the rain.
| A．because | B．because of | C．so | D．so of |
I was born_________1998 and my brother was born ________ March 7th, 2000.
| A．on, in | B．at, on | C．by, in | D．in, on |