All flights ________ owing to the heavy fog, many passengers could do nothing but take trains.
| A．to be cancelled | B．were cancelled |
| C．have been cancelled | D．having been cancelled |
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 |
The plane ＿＿＿＿＿ at 7：00 p.m., so I have to be at the airport by 6：40 at the latest.
| A．has left | B．is to leave | C．will have left | D．leaves |
—— 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 |
—— Tom, did Mr.Li join you in your dicussion?
—— No, he＿＿＿＿, but he happened to have fallen ill.
| A．would like to | B．will | C．was to have | D．was going to join |
—— What do you think of this kind of TV set,which ＿＿＿＿＿＿ in Shanghai?
—— Well, I don’ t care such things.
| A．was made | B．is made | C．has been made | D．had been made |