Our foreign English teacher always ___ us students how to get to know about the culture and customs of foreign countries.
| A．infroms |
| B．instructs |
| C．cultivates |
| D．educates |
--- ______ Betty this morning?
--- Not yet, but she is sure to be here before noon.
| A．Have you seen | B．Will you see |
| C．Do you see | D．Did you see? |
. --- 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 |