<span>1.He is late.
4.John is at work.
9.Tessa is Italian.
10.Your new plan is great.
11.This is our house.
12.Where is my book?
13.We are in the central library now.
16.Are you free on Sunday?
17.When are you usually at home?
18.Aren't they my friends?
19.What colour is your car?
20.I am not good at English.</span>
1)wasn't
2)was
3)weren't
4)were
5)wasn't
6)weren't
<span>1. Helen and I are making dinner.
2. Are you listen</span><span>ing to the radio?
3. John is study</span><span>ing at university.
4. Is Dad paint</span><span><span>ing</span> the living-room?
</span>
1. don't build. use
2. drinks, is drinking
3. am redecorating
4. do you get. go by bus, am going
5. do you always write
6. is making. do you think
3/ has the post come?
have you known - I have known
have you ever left - i haven't
have often seen, have never spoken