-Can you show me _______ to use this kind of camera?
-Sorry, I don't know, _______.
| A．how; either | B．what; too |
| C．how; too | D．what; either |
_________ interesting our school life is!
| A．What | B．What an | C．How | D．How an |
The students should _________ when the teachers give the lessons.
| A．take notes | B．take out |
| C．take turns | D．take care of |
There’re enough apples and bananas at home. You _______ buy any fruit.
| A．need to | B．don’t need |
| C．need | D．don’t need to |
The Greens ____________ in China since 2008.
| A．has lived | B．have lived |
| C．lived | D．lives |
I saw a street cleaner __________ the street when I went to school this morning.
| A．clean | B．cleaning |
| C．to clean | D．to cleaning |