For some time now, world leaders _____ out the necessity for agreement on climate change, the world economy and African development．
| A．had been pointing | B．have been pointing |
| C．were pointing | D．pointed |
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 |
——What about _________ job?
——It’s too difficult _________ job for me.
| A．the； a | B．the； the |
| C．a； the | D．a； a |