一What will happen to the children if Jim and Mary    ?一I don’t know but I think it’s a really terrible thing. 

—What do you think about smoking?—Well，just as someone puts ________，smoking kills.

We do have trained people, but the problem is how to organize them, and ____their enthusiasm.

We all       goodbye to my father as he was on the train to Beijing．

After introducing the new technique, the automobile factory produced ________________ cars in 2010 as the year before.