______ never to come back before he could make a big fortune（发财）,Mike left home without saying a word.
| A．Determining | B．Determined | C．Being determined | D．Determine |
I ______your address, otherwise I______you long before.
| A．had forgotten,had visited | B．forgot, have visited |
| C．forgot,would have visited | D．have forgotten,would visit |
The young man insisted that he______ these watches and______free.
| A．stole, set | B．had stolen, be set | C．steal, be set | D．had stolen； must be set |
—Would you have told him the answer had it been possible?
—I would have, but I ______so busy then.
| A．had been | B．were | C．was | D．would be |
— It is rather cold here. Shall we light a fire?
— No, we______because things are easy to catch fire.
| A．won’t | B．can’t | C．mustn’t | D．needn’t |
Even though I’d hurt my leg, I______swim back to the river bank.
| A．could | B．might | C．had to | D．was able to |