6.imagine　由can提示后面用动词原形，通过句意判断用imagine，意为“设想，猜想”。

5.behave　句中缺少动词，通过句意可判断用behave“举止、行为”。　

4.doing　spend...doing sth.“花费……做某事”，为常用句式。　

3.eating　be used to doing sth.意为“习惯于做某事”，为固定搭配。 　

2.getting　get used to意为“习惯于”，这里用过去进行时，表将来。本句意为“她说她会习惯这些餐桌礼仪的”。　

9. It is _______ because my house is near the subway station.

答案：1.has improved　由后面的状语“since I arrived in England” 可判断用现在完成时。

8. Have you _______ your pen pal online recently?

7. The leader _______ serious mistakes in his work yesterday.　

6. We can _______ how dangerous to swim across the English Channel in stormy weather in December.

5. People in Portugal and people in Korea quite _______ differently at the dinner table.