If there no buying and selling of animals, there no killing in nature.
| A．is; will he | B．will be; will be | C．is; is | D．will be; is |
About_____of the earth__ __covered with water, but we have less and lessavailable fresh water.
| A．three-fourth, is | B．three-fourths, is |
| C．three-fourth, are | D．three-fourths, are |
I think that studying in pairs or groups is necessary____you want to learn from each other in class.
| A．though | B．until | C．unless | D．if |
Yesterday Suzy fell over and was hurt badly while she__ __a snowball.
- I'm sorry to hear that.
| A．made | B．was making |
| C．makes | D．is making |
The cakes are quite delicious! Can I have one more?
- Sorry, there is __ __ left. What about some biscuits?
| A．none | B． no one |
| C． nothing | D． Nobody |
LuJ ialei, 14, from Hangzhou Foreign Language School, won____first placein the CCTV Chinese Character Spelling Contest（中国汉字听写大会）．
| A．／, the | B．a,the | C．a,a | D．／,a |