Let’s make good use of our energy and_________ wasting water, electricity, paper and so on.
| A．keep on | B．result in |
| C．be opposed to | D．appeal to |
—I'm afraid I can't finish the book today.
—________.
| A．Don't be afraid | B．Be bold |
| C．Take your time | D．Not at all |
—Hello，may I speak to Alice now?
—________
| A．Speaking，please. | B．No，you needn't. |
| C．Yes，you may. | D．Who is looking for Alice? |
—What's your sister like?
—________.
| A．She is very beautiful | B．She is not very tall |
| C．She likes tennis | D．She is very strict |
—Excuse me!
—________.
—Could you tell me how I can get to the first department?
| A．Pardon? | B．Why? | C．Yes? | D．Please. |
—Shall I lock the lab now before I go home?
—________.I'll check it myself later.
| A．Go ahead | B．No problem |
| C．No hurry | D．Don't bother |