当你想知道这是什么东西时，你应该问：________（   ）

A．What's that?

B．What's this?

C．I don't know.

根据汉语提示完成句子。
【小题1】___________________________（几只绵羊）do you have ?
【小题2】Tom and Lim_________________________（有一些照片）.
【小题3】There are _______________________(四辆公共汽车) coming here.
【小题4】These ___________________________________.(是许多土豆。)
【小题5】There are _____________________ (4个妇女) in this __________(照片)。

（题文）How many students _____ in your class? （ ）

A．is there

B．are there

C．there are

Read and match.
1. We go to Shanghai on holiday.   

A．她骑自行车去公园。 2. She goes to the park by bike.

B．你怎样去大连？ 3. Do you go by train?

C．我们去上海度假。 4. He walks to school.

D．你乘火车去吗？ 5. How do you go to Dalian?

E．他走着去学校。

翻译下列句子
1. What will be in the year 2050?
2. Which animal is the heaviest?
3. Which animal run the fastest?
4. The ticket is expensive.