Looking round the town，he felt as though he __________away for ages.
| A．has been | B．was | C．is | D．had been |
— I have no question at the moment, sir.
— Don’t ________ to call me if you need a hand. I’ll help you.
| A．wait | B．hesitate | C．delay | D．abandon |
Teenagers ________ their health because they often expose themselves to so many electric products.
| A．have damaged | B．damage | C．are damaging | D．will damage |
To pick up as soon as possible, Tom was advised to do exercise ________ a change in diet.
| A．in addition to | B．in favor of | C．in response to | D．in return for |
________ his job application carefully, he emailed it to the company where he wanted to work.
| A．Having checked | B．Checked | C．Checking | D．To have checked |
More and more students lost interest in his class, which ________ him very much.
| A．teased | B．terrified | C．frightened | D．depressed |