Exercise 1.

Form opposite adjectives with negative suffixes:

There is no doubt that drugs are ___________ (legal).
It was quite ____________ (possible) for us to drive all the way from Santander to Seville in one day.
He made an __________ (successful) attempt to climb the highest mountain in the area.
The dress she was wearing was quite _________ (appropriate) for the weather.
It was very _________ (polite) of him to shout at his mother in front of his aunt.
It was ____________ (reasonable) of them to say that.
What they said is ___________ (true). We didn’t hit her at all.

Exercise 2.

Fill in with been or gone:

Bob's not here. He's ________ to work.
The office is empty. Everybody has ________ home.
It's good to see you again. Where have you ________ ?
My brother's ________ to America four times.
Sorry, you can't speak to Anna. She's ________ to a party.
Mary's hair looks nice. She's just ________ to the hairdresser's.
Peter's ________ to Canada and he's staying there for three weeks.
I can't find my stapler. It's ___________.
‘Are you going to the bank?’ ‘No, I’ve already ___________ to the bank.’

Exercise 1. Opposite adjectives with negative suffixes

1. There is no doubt that drugs are illegal.

2. It was quite impossible for us to drive all the way from Santander to Seville in one day.

3. He made an unsuccessful attempt to climb the highest mountain in the area.

4. The dress she was wearing was quite inappropriate for the weather.

5. It was very impolite of him to shout at his mother in front of his aunt.

6. It was unreasonable of them to say that.

7. What they said is untrue. We didn’t hit her at all.

Exercise 2. Been or gone

1. Bob's not here. He's gone to work.

2. The office is empty. Everybody has gone home.

3. It's good to see you again. Where have you been?

4. My brother's been to America four times.

5. Sorry, you can't speak to Anna. She's gone to a party.

6. Mary's hair looks nice. She's just been to the hairdresser's.

7. Peter's gone to Canada and he's staying there for three weeks.

8. I can't find my stapler. It's gone.

9. “Are you going to the bank?” “No, I’ve already been to the bank.”

Been используется, когда человек куда-то сходил или съездил и уже вернулся: She has been to the hairdresser’s.
Gone используется, когда человек ушёл или уехал и всё ещё находится там либо не вернулся: He has gone to work.