From space, the earth looks blue. This is about seventy-one percent of its surface is covered by water.
| A．why | B．how | C．because | D． whether |
—It has been nation-widely required that every student ______ have daily exercise for one hour.
—Yeah.It is high time that we ______ special attention to physical exercise.
| A．must；should pay | B．should；paid |
| C．will；shall pay | D．need；pay |
Making great efforts to struggle hard in your study，if ______，will possibly lead to your great success in the college entrance exam next year.
| A．continued | B．to continue | C．continues | D．continuing |
We have time and again ______ our position on Taiwan issue!Whatever happens，we won’t change it!
| A．delivered | B．clarified | C．confirmed | D．guaranteed |
Zhengnengliang, or positive energy, _______a term used in the book Positive Energy by Richard Wiseman, has developed into a popular phrase in Chinese society where people approach life with optimism and confidence.
| A．naturally | B．originally | C．roughly | D．constantly |
Next month we’ll move to a new building，next to _________ a nice restaurant where we can have Chinese food.
| A．which are | B．it is | C．which is | D．them are |