The manager is talking with his secretary _____ the telephone. They usually keep in touch _____ telephone.
| A．by ;on | B．through; by | C．on; on | D．by ;with |
"______ the friendship between our two people last forever!", and with
this sincere hope, the president concluded his speech.
| A．Could | B．May | C．Would | D．Must |
______ that no one was ever prepared for it.
| A．So suddenly did the bad news come |
| B．So suddenly the bad news came |
| C．So did the bad news come suddenly |
| D．Did the bad news come so suddenly |
I could tell he was surprised from the _____ on his face.
| A．appearance | B．view | C．sight | D．expression |
The book seems to have been _____ from various books and articles.
| A．pieced together | B．taken off | C．broken away | D．pulled out |
As more and more cars are produced and used, so the _____ from their exhaust-pipes contains an even larger volume of poisonous gas.
| A．exposure | B．distribution | C．expansion | D．emission |