Carl is studying ________ food science at college and hopes to open up ________ meat processing factory of his own one day.
| A．/; a |
| B．/; the |
| C．the; a |
| D．the; the |
-Do you think we can get there on time?
-Yes，_______ the truck doesn’t break down.
| A．even if | B．unless |
| C．until | D．so long as |
The new machine，if _________ properly，will work at least ten years.
| A．use | B．using |
| C．being used | D．used |
-You must be excited about going to Japan for schooling.
-_________，but I’m afraid I can’t do well because my Japanese is poor.
| A．Never mind | B．Well，I ought to |
| C．I don’t know yet | D．Certainly not |
-Have you seen _________ watch? I left it here this morning.
-I think I saw one somewhere. Is it _________ new one?
| A．a；/ | B．a；the |
| C．the；a | D．a；a |
It’s what he did _________ what he said that moved us.
| A．except for | B．but so |
| C．instead | D．rather than |