請以“Saving Tigers”為題，為某中學(xué)生英語報《習(xí)作園地》專欄寫一篇80詞左右的征文稿，內(nèi)容要點如下:

1. 老虎是人們在動物園里最喜歡觀看的動物之一；

2. 現(xiàn)在世界上僅存大約3200只老虎，數(shù)目日趨減少；

3. 老虎處境危險的原因；

4. 保護(hù)老虎的建議。

All the students agreed to go to Qingdao by _______ sea and camp by _______ sea.

A. the; a B. / the C. /; / D. a; the

Do you know how long the meeting has _______?

A. lasted B. held C. over D. begun

Now mobile phones are not so expensive as they _______ to be.

A. use B. used C. are used D. were used

What was the boy searching ________?

A. for the Internet B. the information for the Internet

C. for on the Internet D. Internet

—Why are you looking for Mary in a hurry, John?

—The boss is wondering where she _______ and how long she _______ there.

A. has been; has been B. has gone; has gone

C. has been; has gone D. has gone; has been

You______ to the meeting this afternoon if you have something important to do.

A. needn’t to come B. don’t need come

C. don’t need coming D. needn’t come

The husband and wife have strange habits. He’d like to sleep with lamp _______ at night and his wife likes to sleep with the window _______.

A. burning; wide open B. burnt; widely opened

C. burnt; wide open D. burning; widely open

—What’s the weather like here this summer?

—There _______ very little rain.

A. are B. has C. has been D. have been

Could you tell me how many places of interest you ________ so far?

A. visited to B. have been C. have traveled to D. have gone to