We must______ using plastic bags in order to protect our earth..
| A．give out | B．give up | C．give away | D．give in |
_______ that all the doors and windows are locked before you leave the house!
| A．Notice | B．Decide |
| C．Look | D．Check |
- How did Jane get the job so easily?
- She_______ speak French very well.
| A．should | B．shall |
| C．may | D．could |
Please be_______. There's an important meeting in the next room.
| A．quiet | B．brave |
| C．clever | D．special |
- Do you think Mom and Dad_______ late?
- No. Swiss Air is usually on time.
| A．were | B．will be |
| C．are | D．shall be |
Sheila stop_______ bad things about others.
| A．to say | B．saying |
| C．say | D．said |