— ＄1，500， but that's my last offer.
— OK. It's a ____.
| A．cost | B．price | C．reward | D．deal |
You can’t have this football back _________you promise not to kick at my cat again.
| A．because | B．until | C．when | D．since |
Sarah，hurry up，I’m afraid you don’t have time to__________.
| A．get change | B．get changing |
| C．get to change | D．get changed |
—I am so angry that I could blow my top!
—Oh, dear, _______． What’s wrong?
| A．no hurry | B．no wonder | C．take it easy | D．take your time |
Some scientists believe that it won’t be long _______ robots are widely used in all walks of life．
| A．since | B．after | C．before | D．until |
Under no circumstances _______ the difficulties when they were on an expedition to the Antarctic．
| A．they gave way to | B．did they give way to |
| C．they had given way to | D．had they given way to |