In fact fuels we burn and plant food we eat ________ their chemical energy in the form of heat.
| A．give in | B．give off |
| C．give away | D．give up |
It was announced that only when the fire was under control ___ to return to their homes.
| A．the residents would be permitted | B．had the residents been permitted |
| C．would be residents be permitted | D．the residents had been permitted |
Haveyouheard____news？Thepieceof____petrolisgoingupagain！
| A．the；the | B．the；不填 | C．不填；the | D．不填；不填 |
If a person has not had enough sleep, his actions will give him ___ during the day.
| A．away | B．up | C．in | D．back |
We finished the run in less than half the time ____.
| A．allowing | B．to allow | C．allowed | D．allows |
--- Shall we go out for a walk?
--- Sorry. This is not the right ____ to invite me. I am too tired to walk.
| A．moment | B．situation | C．place | D．chance |