The purpose of technology is to make it easier ,______ it more difficult.
| A．not make | B．making not | C．not to make | D．do not make |
John asked Tom ______ give him a lift to the office.
| A．if he could | B．could you | C．if could he | D．if could |
She wrote ______ second book, which turned out to be still popular with ______ young.
| A．the; the | B．a; 不填 | C．a; the | D．the; 不填 |
It was only after World War II had drawn to a close ______ in the United States.
| A．did the baby boom begin | B．that the baby boom began |
| C．when the baby boom began | D．then the baby boom began |
—Doug, where is your coach, Chow?
—See, he ______ by a group of journalists.
| A．is being interviewed | B．has been interviewed |
| C．is interviewing | D．has interviewed |
Many memories of old times were ______ by the conversation we had during the get-together.
| A．called on | B．called in |
| C．called up | D．called for |