The boy ______ a piece of waste paper, and put it into the rubbish bag.
| A．picked up | B．threw away | C．looked for | D．handed in |
Can you tell me the best way the problem?
| A．solve | B．solved |
| C．to solve | D．solving |
We must learn how these “problems” “challenges”.
| A．change in | B．change，into |
| C．to change , into | D．to changed, into |
— do you study for a test?
—I study_______ working with a group .
| A．What , with | B．How, by |
| C．Why , by | D．What, by |
The writer had trouble complete sentences
| A．making | B．to make | C．makes | D．make |
It looks like rain, doesn’t it?--- _______.
| A．Yes, it doesn’t | B．Yes, it does. |
| C．No, it does | D．No, it isn’t |