How can you expect him to make any progress________you never give him a chance to have a try?
| A．when | B．unless | C．even though | D．until |
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 |
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 |
In the modern society, computers are largely ______ to help us organize daily life and work.
| A．relying | B．relying on | C．relied | D．relied on |
______ you eat the correct foods ______ be able to keep fit and stay healthy.
| A．Only if; will you | B．Only if; you will |
| C．Unless; will you | D．Unless; you will |