— is the population of your factory?
—It has a population because it's a new factory.
| A．How many; big | B．What; small |
| C．How big; small | D．What; big |
Her son began to play __________piano when he was only three. Now he’s very good at it .
| A．an | B．a | C．the | D．/ |
—I'm sorry to keep you waiting for me so long.
—.
| A．I don't think so | B．That's right |
| C．It doesn't matter | D．I'd love to |
—I want to knowthe day after tomorrow?
—Ask Jim. He must know.
| A．what will he do | B．what he will do |
| C．what he did | D．what did he do |
If he, I will let you know. He also wants to see you.
| A．will come | B．come |
| C．comes | D．came |
—Would you like to go hiking with us?
—Sorry. My grandmother is ill. I'll go toher.
| A．look after | B．look for |
| C．look at | D．look up |