I'm afraid I'll have to; my mom is calling me for supper.
| A．ring off |
| B．ring back |
| C．ring up |
| D．ring in |
He was busy writing a story , only _______ once in a while to smoke a cigarette.
| A．to stop | B．stopping | C．to have stopped | D．having stopped |
— Hi, Torry, can I use your computer for a while this afternoon?
—Sorry. .
| A．It’s repaired | B．It has been repaired |
| C．It’s being repaired | D．It had been repaired |
All the dishes in this menu, if otherwise______, will serve two to three people.
| A．listed | B．listing | C．they listed | D．being listed |
I have always been honest and straightforward, and it doesn’t matter ______ I’m talking to.
| A．who is it that | B．who it is that |
| C．it is who that | D．it is whom that |
Eating too much fat can _____ to heart disease and high blood pressure.
| A．devote | B．attend | C．contribute | D．turn |