modal auxiliaries: Übung kontrollieren

fHallo,ich schreibe am Dienstag eine Englisch Arbeit, wuerden sie mir bitte die Aufgaben kontrollieren, wenn sie falsch sind wuerden sie mir schreiben warum sie falsch sind?

1 Modal auxiliaries and their replacements.
Fill in verb in the correct tense.

a) Last week Lucy`s aunt came to visit her.So Lucy(1) had to_______(must) clean her house and make a cake. Her neighbor`s cat(2)__mustn`t____(may not) come into Lucy`s house for some days because Lucy aunt is allergic to cats. But Lucy was very happy because she (3) be able to__________(can )spend a few days with her aunt.

b) After school I will travel to Australia and work on a farm there. I (1) ____will have to ___(must) work very hard and I (2)_won`t have to________(must not) sleep long in the morning. But I(3) ___will be able to___(can ) speak English every day.
c)When I`am 18, I (1)_will be able to______(may) drive. But I (2)_mustn`t_______ (may not) drive without a driving licence.
d) In my last holiday I got ill, so I had to_______(must) stay in bed and _couldn`t_____(cannot) go to the beach.

2 Fill the right auyiliary or substitute (Simple past or will future)
a)When I am 18, I _____ will be able to____ (can) drive a car.
b) When we were in elementary school , we always ____ had to___ ( must) fo in groups of two hand in hand.
c) Before my A- Level exams I _____had to_____ (must) study very hard.
d) I had an acciddent last year and ___wasn`t able to (cannot) walk for six months.
5.Farmers in the Midlle ages didn`t have to (must not) leave their farms.
6. Right now my French is not good,but after 5 years of learning French I hope I ______ will be able to (can) speak it fluently.
7. On the class trip next week you _____will be allowed to____(may) explore the fun park on your own in small groups.

Ich danke Ihnen im voraus