One of the requirements for a fire is that the material _________ to its burning temperature.
| A．is heated | B．be heated | C．would be heated | D．shall be heated |
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 |
____________catch the first train, he asks his mother to awake him up in the morning
A So as to B In order to C So that D In order that