Помогите пожалуйста;-))
Choose the correct alternative
1. ________ you answered his letter?
a Did b Have c Was
2.We're tired. We've ____ all the way from the station.
a walking b walk c walked
3. They've ___tried Thai food.
a ever b never c didn't
4. Fantastic! We have _____ a goal.
a scored b score c scoring
5. She ____ phoned the resaurant.
a didn't b hasn't c won't
2.Correct the mistake in each sentence. 
1. Have ever you tried bungee jumping?
________________________________
2. What you decided about next weekend?
__________________________________
3. I haven't never appeared on television.
__________________________________
4. Why he has stopped writing to me?
_________________________________
5. He has tp created a fantastic new computer game.
________________________________________
3. Complete eacg sentence with the correct verb in the Present Perfect.
слова для вставки : never try,not discover , decide, ever watch, design
1. They ____________________ to go to Japan next summer.
2. My sister ________________ a new kind of skateboard.
3. _______________ you _____________ an ice hockey match?
4. I ___________ eating a cockroach!
5. Doctors ____________ a cure for AIDS.
4. Put the correct form of the verbs in the gaps.
Слова для вставки: be. can. discuss.excuse.help.look. make. need. see. think. use. want.
Customer :________________ me.
Assistant: How can I _______?
Customer : Well,I'm ______________ of buying a PC.
Assistant: ____________ you __________ at our latest models
Customer:Not yet. But first I _______ to 
                            __________ with you why I ___________ to _________ it.
Assistant: Oh,good. I __________ that you ___________ a list. ______ I read it?
Customer:Of course. Here you __________ .

1.1) а2) а3) b4) b5) a2.1) Doe's2) What are you.....3)-4)-5) Does3. Выбери куда надо поставить и запиши вместо с just have4. caм не понял