In ___ year 751, the Chinese traveler Du Huan was taken __   _ prisoner by the Arabic army．

At first, it seemed that everything went well, but all of         sudden, the ship hit       
iceberg.

In China, __________ pressure to pass ________ exams gives students the impression that learning comes from textbooks.

Panda is one of      remaining endangered animals in the world.

In 1519 ____ traveler who went to American from Europe discovered ____tomato．

－Good evening, Mr. Green. I’m sorry to bother you. But it’s the fourth of December today.
－Oh, Mrs. Baxter, ________ rent! I’m sorry it’s late. I’ll write you _______ check right now.

Let’s go to ______ cinema—that will take your mind off the problem for        while.

When a giraffe has ______ drink, it has to stand with its front legs wide apart in order to reach ______ water easily.

Yang Liwei’s journey into ____ space took him 600,000 kilometres in ____ orbit, around the earth 14 times, in just over 21 hours.

The use of Chinese by teachers in ______ English classroom must be restricted because it will decrease _______ time when students are exposed to the English language.