Have a cup of tea, _______?

A. shall we 　　　　　　 　　　　  B. will you

C. won't you             　　　　  D. do you

昨日习题答案：

It is estimated that much of a teenager's time is spent______with friends.

A. to talk 　　　　　　 　　　　  B. talking

C. being talked         　　　　  D. having talked

标准答案是：B

本题分析：
spend+(in)doing stb.意为“把……花在……上”。介词in常可以省略。