It’s bad ____ for a man to smoke in the public places where smoking is not allowed.
| A．behavior | B．action | C．manner | D．Movement |
. --- Is Tom still smoking?
--- No. By next Saturday he ______ for a whole month without smoking a single cigarette.
| A．will be | B．will have gone |
| C．will have been | D．has been going |
I used to drink a lot of tea but these days I ______ coffee.
| A．prefer | B．preferred |
| C．had preferred | D．am preferring |
The train ______ at the present speed until it reaches the foot of the mountain at about nine o’clock tonight.
| A．went | B．is going | C．goes | D．will be going |
--- Did he notice you enter the room?
--- I don’t think so. He ______ to the radio with his eyes shut.
| A．listened | B．was listening |
| C．has listened | D．had listened |
--- Where do you think ______ he ______ the computer?
--- Sorry. I have no idea.
| A．has; bought | B．不填; bought |
| C．did; buy | D．不填; buys |