| — do you go to the Swimming Club? —Twice a week. |
A. How often B. How many times C. How long D. How much |
| China is developing _______ of all the countries in the world. |
A. fast B. faster C. fastest D. the most fast |
| At least 300 million people are using QQ _______ by Ma Huateng to chat on line. |
A. create B. creates C. creating D. created |
| Our school is beautiful. There are eight teachers and students in it. |
A. hundred of B. hundreds of C. hundred D. hundreds |