问题

Today，we’ll discuss a number of cases ________ parents have much difficulty in communicating with their children.

A:which
B:as
C:why
D:where

正确答案是：

同类题型

Mr. Smith, would you please speak a little more_______-Sorry! I thought you could follow me.

________ you are good friends, you must know each other very well[ ]

Mo Yan, ___ famous Chinese writer, became_____country’s first Nobel Literature Prize Laureate(诺贝尔文学奖).

I’m going to Hainan to spend the Spring Festival tomorrow. —____________.

Frank, what do you usually do at the weather station?—Itemperatures at 8 and 12 o’clock every day in the notebook.