_____ the waiter didn’t understand what the old lady was saying , he knew what she wanted.
| A．Unless | B．Because of | C．Even though | D．Because |
What does your sister usually have dinner?
| A．to | B．of | C．for | D．with |
Doing sports me keep fit.
| A．help | B．helps | C．need | D．needs |
—I think this pair of trousers beautiful. Would you like ? —OK.
| A．look; to try it on | B．look; try it on |
| C．looks; to try it on | D．looks; try them on |
—Are you holiday with your friends in Beijing? — Yes, we are.
| A．at | B．in | C．on | D．for |
— do you exercise? — More than three times a week.
| A．How many | B．How much |
| C．How long | D．How often |