. London (change)__has changed____ a lot since we first (come) ____came___ to live here.

. While we (talk) ___were talking____ on the phone the children (star) ___started____ fighting and (break) ______broke___ a window.

. He used to talk to us for hours about all the interesting things he (do) _had done___ in his life.

. I (spend) ____have spent____ a lot of time traveling since I (get) __got_ this new job.

. When we (be) ___were____ at school we all (study) ___studied___ Latin.

. When I (meet) __met____ him, he (work) ___was working___ as a waiter for a year .

. After he (finish) ____had finished___ breakfast he (sit) __sat___ down to write some letters.

1. London (change)__has changed____ a lot since we first (come) ____came___ to live here.

2. While we (talk) ___were talking____ on the phone the children (star) ___started____ fighting and (break) ______broke___ a window.

3. He used to talk to us for hours about all the interesting things he (do) _had done___ in his life.

5. I (spend) ____have spent____ a lot of time traveling since I (get) __got_ this new job.

6. When we (be) ___were____ at school we all (study) ___studied___ Latin.

7. When I (meet) __met____ him, he (work) ___was working___ as a waiter for a year .

1)has chamged,came

2)were talking,started,broke

3)had done

4)have spent,got

5)were,studied

6)met,was working

7)had finished,sat

1. London __has changed____ a lot since we first  ____came___ to live here.

2. While we  ___were talking____ on the phone the children  ___started____ fighting and ______broke___ a window.

3. He used to talk to us for hours about all the interesting things he had done___ in his life.

4. I ___have spent____ a lot of time traveling since I  __got_ this new job.

5. When we  ___were____ at school we all ___studied___ Latin.

6. When I (meet) __met____ him, he (work) ___was working___ as a waiter for a year .

7. After he (finish) ____had finished___ breakfast he (sit) __sat___ down to write some letters.

1/ has changed- came 

2/ were talking - were starting - broke 

3/ has done 

4/ have stund 

5/ have spent ( dấu hiệu : since ) - got

6/ was- studied 
7/met-was working

8/._had finished-sat

9/ has

10/.is

1. has changed, came
2. are talking, are starting, breaking
3. does
4. standed
5. have spent
6. was, studied
7.   
8.    
9. has, 
10. will be