The teacher said that light ________ faster than sound.
| A．travel | B．to travel | C．traveled | D．travels |
—Would you mind turning down the music?
— _____________.
| A．Not at all. | B．Never mind |
| C．Yes, I will. | D．No, I don’t mind. |
— Your aunt often walks the dog in the morning.
— Yeah, ___________ bad weather stops her.
A. when B. unless
C because D. since
— David, why are you so excited?
—My father has made a _________ that he will take me to Tibet next month.
| A．face | B．contribution |
| C．promise | D．mistake |
—Mum, may I have some cakes?
— Sorry, there’s ____________ left in the box. I’ll go and buy some for you tonight.
| A．nothing | B．no one |
| C．no | D．none |
The fire is dangerous. We should _____________ as quickly as possible.
| A．put out it | B．put it out |
| C．put it away | D．put it off |