1. It _(rain) very often here in summer. You’d better bring an umbrella with you.

2. There __(be) ten students at the picnic tomorrow.

3. My father __(has been/ has gone) to Japan several times.

4. Look! A boy __(run) after a dog. He wants to catch it.

5. I need an umbrella because it __(is raining/ rains/ was raining/ rained).

6. The rain __(stop) half an hour ago. The sky is clear now.

7. I __(not see) John since he __(leave).8. I’ve visited five countries __(so far/ until

here/ just now/ two years ago).9. The baby is crying. She __(has cried/

had been crying/ has been crying).10.Tom __(meet) many people since he

came here in June.11. I __(live) in Taipei for two years before I

moved here.12. I asked him what he __(had done/ has

done/ is doing/ does) to his hair.

13. Please hurry up! We __(have been waiting/ have been waited/ are waiting/ had waited) for an hour.

14. The boy __(pick) up the money and ran away.

15. Susan really loves that film. She __(see) it eight times.

16. When you called me up last night, I __(take) a bath.

17. Please answer the telephone for me, I __(take) a bath.

18. It started to rain while we __(swim) in the river.

19.As soon as I __(finish) my meal, I left the restaurant.

20.As soon as John gets there, he __(call) you.

1. Kate is tired. She __(is working/ has worked/ works/ has been working) all day.

2. While his mother __(cook) in the kitchen, Tom was watching TV.

3. I lost the watch that I __(buy) the other day.

4. There __(used to be/ must be/ was used to/ might be) a church on the top of the hill, but it no longer exists.

5. I __(study) English for exactly six years this October.

6. There __(be) a lot of changes here in the last twenty years.

7. This is the most beautiful island I __(have ever seen/ had never seen/ have seen/ have never seen).

8. I __(take) medicine for five days, but I still haven’t got over my cold.

9. After he locked the door, he remembered that he __(leave) the keys in his room.

10.Ben is a baseball fan. He __(has) more than one hundred pictures of famous baseball players.

11.Sam will come soon. When he __(arrive), we will tell him the news.

12.By the time we arrived, the movie __(begin).

13.The old man regretted that he __(be) idle when young.

14.Jack fell ill last Sunday and __(be) in bed since then.

15. I wonder if it __(rain) tomorrow. If it __(rain), I won’t go.

16.As soon as we __(find) an apartment, we are going to move.

17.Our family __(sleep) when the earthquake struck last night.

18.So far this week, we __(have) two tests and a quiz.

19.George __(ride) to school every day when he was a junior high school student.

20. I was very lucky yesterday because I met an old friend I __(not see) for a long time.