—Can I help you ?
— .
| A．Thank you | B．Yes ,please. I want a pen. |
| C．You’re welcome | D．I’m sorry |
Tens years ago, there _____ full of fish in the lake .Now there are _____ fish .
| A．used to live; little | B．had; a few |
| C．were; many | D．used to be; few |
The doctor did what he could _____the dying man.
| A．save | B．to save | C．saved | D．saving |
－How many workers are there in your factory?
－______ the workers in my factory_______ over two thousand .
| A．The number of , is | B．The number of , are |
| C．A number of, is | D．A number of , are |
---I’m too busy________ to my family often.
--- Why not call them instead ?
| A．writing | B．write | C．written | D．to write |
Everyone is in the classroom, _____?
| A．doesn’t he | B．isn’t he | C．are they | D．aren’t they |