Ex5:

1. will

2. am going to

3. will

4. will

5. will

6. am going to

Ex6:

1. if

2. have

3. might

4. comes on

5. might not

6. don't

Ex7:

1. Can I help you?

2. Yes. I'm looking for a jacket.

3. The jackets are over there, near the window

4. This one's nice. Have you got it in green

5. No, we haven't. Sorry

Ex8:

1. going

2. in

3. don't

4. What

5. Let's

5, 1, will

2, will

3, am going to

4, will

5, am going to

6, am going to/will

7/

1, can i help you?

2, yes, .....

3, the jackets are.....

4, this one.......

5, no, we

8/ 

1, going to

2, with

3, do 

4, what

5, let's