— Do you know that boy?
—_______ one in blue? That’s Sam’s brother.
A. A B. An C. The
Did your father tell you ______?
| A．when he travelled to Hong Kong | B．how he goes to Shanghai |
| C．where he has spent his holidays | D．why did he visit Hangzhou |
—I’m afraid that I can’t do it.
—Oh, you should believe in yourself. You won’t know what you can do______ you try it.
| A．if | B．because | C．until | D．while |
Before I talked with ______ scientist, I had never met______ clever person like him.
| A．the; a | B．a; a | C．the; the | D．a; the |
—Thank you for the nice meal you offered us!
—_______.
| A．I’m afraid not | B．I’m glad you all enjoyed it |
| C．I didn’t cook well | D．Come here next time |
—Are you _______ to go hiking with us?
— Yes, I _______.
| A．good enough; good | B．well enough; think so |
| C．enough good; think so | D．well enough; am good |