If you put too many potatoes in that paper-bag it will _____.
| A．fail | B．explode | C．crack | D．burst |
If you keep on your research, you will succeed _____.
| A．at the same time | B．at no time |
| C．in time | D．on time |
Rather than _____ at home, he always prefers _____ sports on the open air.
| A．stay; have | B．staying; to have |
| C．to stay; having | D．stay; to have |
The poor child was ______ by his grandmother after his parents died.
| A．grew up | B．turned up |
| C．brought up | D．dressed up |
—John, look at the time. _____ you play the piano at such a late hour?
—Oh, sorry.
| A．Must | B．Can | C．May | D．Shall |
—Shall I give you a lift as you live so far away?
—Thank you. ______.
| A．It couldn’t be better. | B．Of course you can |
| C．If you like. | D．It’s up to you. |