| — _____ have you been to Hainan Island? — Never. |
A. How long B. How far C. How often D. How many times |
| From the space, the astronaut can see more than 70 percent of the earth _____ by water. |
A. are covered B. is covered C. covering D. cover |
| _____ the story is short and there are no new words in it, it is difficult to understand. |
A. Because B. Although C. Since D. While |
| There are _____ new words in this book. We have already learned two _____ of them. |
A. hundred; hundred B. hundreds of; hundreds C. hundreds of; hundred D. hundreds; hundreds |
| When did you become a League member? I _____ the League Union for 3 years. |
A. have joined in B. have been to C. joined D. have been in |
| They said they _____ in Shenzhen for about 20 years by then. |
A. live B. have lived C. have been D. had been |
| The 29th Olympics Games _____ in Beijing in 2008. |
A. is held B. was held C. will be held D. has been held |
| I will never forget the unforgettable time _____ we spent together last month. |
A. when B. whom C. what D. that |