You have to wear a helmet and a life jacket for protection, just ___ you fall into the water.
A. in case C. unless
C. though D. As
________ the present unemployment continue, the society would face a more
troublesome situation.
| A．Would | B．Should |
| C．Might | D．Could |
I forget where I learned the saying, or I _____ it to you now.
| A．will show | B．would show |
| C．am going to show | D．am showing |
—Do you think George has passed the driving test?—No. If so, he ______ his car to our college yesterday.
| A．would drive | B．drove |
| C．would have driven | D．had driven |
— Did you see it with your own eyes, Mike?
— Yes. Otherwise I _______you about it.
| A．didn’t tell | B．hadn’t told |
| C．wouldn’t tell | D．wouldn’t have told |
I didn’t know his telephone number, otherwise I him.
| A．had telephoned | B．would telephone |
| C．would have telephoned | D．telephoned |