Teenagers should do what they can ________ their achievements.
| A．to realize | B．realize | C．realized | D．will realize |
Who do you think this black bag_____?
| A．belongs to | B．is belong to |
| C．is belonged to | D．belonged to |
It’s_____to speak loudly while you are eating.
| A．good | B．polite | C．supposed | D．rude |
What_____your cousin that evening?
| A．happened to | B．has happened to |
| C．was happened | D．happened with |
_____the time I got to the bus stop, the bus had already left.
| A．At | B．In | C．For | D．By |
---Don’t worry. Your brother is coming to help you.
---________ he doesn’t come?
| A．What about | B．Why not |
| C．What if | D．What for |