一、根据汉语意思写单词。
1. Tom was ______________（搜寻）for some information when I came into his room.
2. The train and bus ______________（服务）connect these towns. It's very convenient.
3. The film tells us that we should love and protect our ______________（祖国）.
4. Because of the bad weather, the ______________（航空公司）apologised（道歉）for the late flights.
5. What a ______________（非常严重的）earthquake! Many people lost their homes and were not able to return to normal life.

searching
; services
; motherland
; airline
; terrible

二、用方框中所给单词或词组的适当形式填空。每词（组）限用一次。
go by heavy lift one's spirit notice break out
6. We can put up some ______ to tell people to keep the park tidy and clean.
7. They remember what the teacher said and those words always ______.
8. It snowed ______ so Lily didn't go to the museum.
9. Suddenly, a fire ______ and people rushed out of the building.
10. They didn't like each other at first. As time ______, they became good friends.

notices
; lift their spirit
; heavily
; broke out
; went by

三、用 when 或 while 填空。
11. ______ it began to snow last night, we were having a meeting.
12. I was washing my clothes ______ the phone rang.
13. ______ I was taking a shower at 8: 00 last night, Jenny was doing her homework.
14. They were watering flowers ______ I got to the garden.
15. Frank was taking notes ______ the teacher was giving a lesson.

When
; when
; While
; when
; while

四、用括号中所给单词的适当形式填空。
16. The telephone rang while I ______ (listen) to music last night.
17. —Did you notice a man passing by?
—No. I ______ (talk) on the phone at that time.
18. Lisa ______ (watch) TV when she heard someone calling her name.
19. I was driving too fast when a dog ______ (run) across the road suddenly.
20. The babies ______ (sleep) while the mother was cooking.

was listening
; was talking
; was watching
; ran
; were sleeping