There ______ many people ______ in the office, but now nobody is allowed to.
| A．used to be；smoking | B．used to have；smoking |
| C．used to be；smoke | D．used to have；smoke |
．—I called you yesterday. A woman answered, but I didn’t recognize her voice.
—Oh, it _____ my aunt Jean.
| A．must be | B．must have been | C．might be | D．can have been |
．Would you care to wait here, sir, _____ the manager can see you?
| A．when | B．since | C．until | D．While |
Interest in the Special Olympics______ across the world and now cities______for the honor to host the event.
| A．has spread; are competing | B．spread; compete |
| C．is spread; are competing | D．has been spread; are competing |
．—How about the dishes, Dear？
—The beef _________very good. It ___ too long.”
| A．didn’t taste , was cooked | B．didn’t taste ,had been cooked |
| C．wasn’t tasted ; was cooked | D．wasn’t tasted; had been cooked |
Should you have enough energy left after a day on the slopes, you can take a dip in the pool, _________at the gym or go dancing in one of the city’s many hotel and clubs.
| A．work out | B．carrying out | C．take up | D．turning out |