A

D

B

B

A

D

C

=\(x^2y^2-2xy+1+x^2+2xy+y^2=x^2\left(y^2+1\right)+\left(y^2+1\right)=\left(x^2+1\right)\left(y^2+1\right)\)

\(\dfrac{37}{-25}=\dfrac{37\cdot8}{-25\cdot8}=\dfrac{-296}{200}>\dfrac{-138}{200}\)

I have met her for 3 years

-> Who have you met for 3 years?

I have gone jogging for 10 years.

-> How long have you gone jogging?

I have spoken English since I was young.

-> When did you start speaking English?

I have eaten spaghetti for 5 years.

-> When did you start eating spaghetti?

I have loved her for 2 years.

-> How long have you loved her?

1. classmates -> classmate

2. are -> is

3. opening-> to open

4. to ride -> riding

5. swim-> swimming

6. do -> play

7. doing-> going

8. playing-> to play

5

3

1

7

2

8

6

4