69. Don't ________water.　 Can't you see the sign "Save Water"?

68. Mobile phones are________(流行的，普遍的)in the modern world.

67. Don't________(fail to remember)to call me when you get there.

A)根据句意及所给的首字母，英语释义或汉语提示写出正确的单词。

66. You can look up the word in the d ________if you don't know it.

根据下面的情景内容，从所给的选项中选出最佳答案。

A: Good morning. 61　　

B_: Yes, please. I'd like to buy a tie for my father.

A_:62______

B; Blue. My father likes blue best. A_: How about this one?

B_: Oh, it's very nice.　 63______

A;50 yuan.

B_: That's too expensive, I can't afford it.　 64______

A_: Yes. This light blue one is only 30 yuan.

B_; Well, this one looks very good. And the price is OK. 65______

A. How much is it?　　　　　　 B. I'll take it.

C. What colour do you want?　　 D. Do you have a cheaper one?

E. What about the yellow one?　　 F. Can I help you?

35. -Do you mind my smoking here?

-________.　 Look at the sign. It says, "No smoking".

A. Of course not　　　 B. No, I don't　　　　　　 C. You'd better not