Someone knocked at your door just now,but I didn’t see who was.
| A．this | B．it | C．that | D．one |
Although it is not our normal _____ to give credit, this time I think we should consider the matter more closely.
| A．state | B．intention | C．occasion | D．practice |
A poet and artist ______ coming to speak to us about Chinese literature and painting tomorrow afternoon.
| A．is | B．are | C．was | D．were |
As the supermarket _______, all the goods are sold at half price.
| A．has closed down | B．is closing down | C．closed down | D．had closed down |
____ _, I couldn’t find a solution to the problem.
| A．Might I as try | B．As I might try | C．I might as try | D．Try as I might |
The captain determined to be with the ship forever and never _____ to disappointment even when the ship sank.
| A．gave off | B．gave over | C．gave way | D．gave out |