1.
a)I have known her for 6 years.
b)I knew him when I was at school.
c)He has lived in Paris from 1997 to 2000
d)He lived in New York in 2001
e)I haven't seen him for ages.
2.
1)ago
2)just
3)always
1)would do
2) lived
3) would go
4) had
5) was
1) if I were you , I would learn biology
2) if he was here, he would know what to do
3) if she was a doctor, she could help us
4) if you had a lot of money,you could fly to...
Would you do
Lived
Is
Comes
Would sail
Was
Was
Was
Didn't have
Would you
It is a note.
You are hungry.
It is a dog.
I am a student.
We are friends.
They are our friends.
Does the heart circulate blood <span>throughout the body?
Can the heartbeats be felt as the pulse?
Is each chamber divided into upper and lower compartments?
Has the heart stopped beating?
Does death occur in a few minutes?
Are vessels returning blood to the heart known as veins?</span>
2 didn't go
3get
4am not finished
5We aren't arrived
6was