I’ll lend you the book _______ I can remember who has borrowed it.
| A．if only | B．only if | C．even if | D．as if |
—Ted found a policeman passing by and handed the mobile phone over to him.
—But he _________ at the place until the owner returned.
| A．must have waited | B．might have waited |
| C．would have waited | D．could have waited |
The books mainly deal with the trouble teens might have _________ right from wrong.
| A．distinguishing | B．distinguished | C．to distinguish | D．to be distinguished |
—Why don’t you buy some cakes while doing shopping yesterday afternoon? —Sorry, ____.
| A．I forget | B．I forgot | C．I have forgotten | D．I had forgotten |
We must apply what we have learned to our daily work because in no case ____ from practice.
| A．should theory separate | B．should theory be separated |
| C．theory should separate | D．theory should be separated |
I hadn’t intended to get much from the business I ran the first year, while it _____ so well.
| A．went out | B．carried out | C．made out | D．turned out |