From space, the earth looks blue.This is ________about seventyone percent of its surface is covered by water.
| A．why | B．how | C．because | D．whether |
With the successful launch of Tiangong-I, which was ______ breakthrough in space field, China's space dream took a step closer to ______ reality.
| A．a; / | B．the; a | C．a; the | D．the; / |
---Jenny, I think I’ll just have some coffee for a change．
---______．The coffee I bought yesterday is in the cupboard．
| A．Change it, please | B．Never mind | C．With pleasure | D．Help yourself |
Now that we’ve discussed our problem, are people happy with the decisions _________?
| A．taking | B．take | C．to take | D．taken |
Everybody was touched _________ words after they heard her moving story.
| A．without | B．beyond | C．of | D．in |
One of the most important questions they had to consider was _________ of public health.
| A．what | B．this | C．which | D．that |