Julia _____ with a stranger when Jim went to the jacke
t he _____ in the restaurant.
| A．had quarreled; left | B．had quarre led; had left |
| C．was quarreling; has left | D．was quarreling; had left |
—What do you think of the news in today's newspaper?
—We shouldn't ________ the trouble of helping others only because what we do may invite trouble.
| A．knock off | B．take off |
| C．keep off | D．break off |
—I think that every need of the customer should be attended to.
—________.
| A．I'd love to | B．I'm with you on that |
| C．It's my pleasure | D．It's up to you |
No matter how healthy you ________ be, you need to consult a doctor from time to time.
| A．should | B．will | C．must | D．may |
Many dog owners treat their pets like human beings, ________ if they do not have children of their own.
| A．absolutely | B．especially |
| C．eventually | D．extremely |
I really don't know how to thank you, but for your help, I ________ my lost necklace.
| A．couldn't have found | B．mustn't have found |
| C．couldn't find | D．wouldn't find |