一、用所给动词的正确形式完成句子。
1. There is blood(血) on the ground. What ____________(happen) here?
2. —What’s the meaning of the word “postcard”?
　 ____________(look) for the dictionary, but I ____________(not find) it yet.
3. We ____________(enjoy) our stay in Beijing and are sorry to say good bye now.
4. Jim isn’t here. He ____________(go) to the library. He ____________(go) there an hour ago.
5. We ____________(live) in Shanghai from 1989 to 1999. Then we moved to Hangzhou. We ____________(live) here for about 25 years.

1. happened　2. looked; haven’t found　3. enjoyed 　4. has gone; went 5. lived; have lived

二、按要求完成下列各题。
1. We began to learn English three years ago.(同义句转换)
We ________ ________ English ________ three years.
2. The old block has been turned into a park.(对画线部分提问)
________ ________ the old block been ________ into?
3. I saw the film just now.(用just改写句子)
I ________ just ________ the film.
4. I have felt a bit lonely since I moved into that house.(对画线部分提问)
________ ________ have you ________ a bit lonely?

1. have learnt; for　2. What has; turned 　3. have; seen 4. How long; felt

(　　　)1. —When ________ you ________ a teacher of this school?
—At the age of 23，in 2003.
A. have; become
B. did; become
C. will; become
D. have; been

B 【点拨】根据语境可知，问句应为一般过去时，用“特殊疑问词+did+主语+动词原形+其他?”结构。故选B。

(　　　)2. —Congratulations，boys and girls! You all ________ great progress in the past three years.
—Dear teachers! We will never forget you and your help.
A. make
B. made
C. will make
D. have made

D 【点拨】根据时间状语“in the past three years”可知，时态是现在完成时(have/has done)。故选D。