--- Is your new team-mate a good guy?
--- Yes. He is kind, skillful, hard-working and intelligent; ____, I can’t speak too highly of him.
| A．on the contrary | B．by the way | C．in a word | D．as a result |
If only you __________ him what I said! Everything would have been all right.
| A．didn't told | B．hadn't told |
| C．would not tell | D．would have not told |
We didn't know his telephone number, otherwise we _________ him.
| A．would have telephoned | B．must have telephoned |
| C．would telephone | D．had telephoned |
It was essential that the application forms ___________ back before the deadline .
| A．must be sent | B．would be sent |
| C．be sent | D．were sent |
_____________ cease（终止） advertising, prices would be significantly reduced.
| A．Were they to | B．Could they |
| C．If they | D．Would they |
Much labor would have been saved if the electronic computers_____________ before.
| A．had invented | B．were invented |
| C．should have been invented | D．had been invented |