The first use of atomic weapons was in 1945, and their power ____increased enormously ever since.
| A．is | B．was | C．has been | D．had been. |
I decide to pay a visit to you, but I don’t know whether it is quite _________ to you.
| A．convenient | B．fair | C．easy | D．comfortable |
. Dream of the Red Chamber is _____ worth _____ because we can learn a lot about the noble families in the feudal society.
| A．very; reading | B．well; to be read | C．well; reading | D．very; to be read |
Food supplies may ________ towards the end of the trip, so we can’t waste any food.
| A．run out | B．run up | C．run in | D．run away |
The murderer was brought in, with his hands ________ behind his back.
| A．tied | B．tying | C．being tied | D．to be tied |
— When can I see you, Mr Black? Three o’clock this afternoon?
— Oh, no. I ________ a meeting then.
| A．will have | B．will be having | C．am having | D．have |