用所给动词的适当形式填空。

l. I'm afraid I _____ (get)a cold tomorrow.

2. Jim _____ (watch) TV at this time yesterday.

3. If he _____ (come) back from Beijing,I'll call you.

4. They _____ (work) here last year.

5. Next Sunday Jim's going to fish with his friend if it _____ (not rain) .

6. Look! The children _____ (swim) in the river.

7. She says she _____ (help) me with my English next year.

8. —What time _____ she _____ (leave) home every day?

    —At eight o'clock.

9. I _____ (write) to you as soon as I get to Shanghai.

10. I think I'll have a difficult time _____ (know)who is who.

读中国地理区域图，回答下列问题（16分）

⑴图中A是我国四大地理区域中的     地区。本区是我国主要的    区，所出产的肉、奶、皮、毛等畜产品在国内占据突出地位。

⑵划分B     地区与D     地区的分界线是                。

⑶下列相关叙述错误的是（  ）

A．江汉平原是A地区的商品粮基地

B．B地区是我国最大的能源基地

C．C地区主体地形区是青藏高原

D．D地区的有色金属相当丰富⑷图中流经了三大区域的河流是         河，该河曾被称为“一石水、六斗泥”。治理该河的一个关键性工程是                           。