A - 6
b - 4
c - 2
d - 1
e - 5
f - 3
1. reading
2. understand
3. interesting
4. happening
5. learning
6. changing
7. feel
I didn't remember
There was nobody
Understood
It was closed
First
Happened
Had taken
Can't
Your
2. The dog (именно dog (собака)) is sleeping
3. Ann is swimming
4. Tony is writing a letter
5. The birds are singing
6. Mum is making a cake
Тут, насколько понимаю, требуется добавить ing.
Walking, dancing, swimming, shopping, lying, studying, laughing, writing, playing, smoking, looking, stopping, sleeping, dying, running.
3)
Не вижу примеров, но допустим:
1. Are they listening to the radio? What are they listening to?
The are not listening to the radio.
2. What is she drinking? Is she drinking Coke? She is not drinking Coke.
3. Are you dancing? Who is dancing? You are not dancing.
4. Are we playing basketball? What are we playing? We are not playing basketball.
5. Am I running? What am I doing? I am not running.
You must clean your room Надо убираться в своей комнате
We need to help parents надо помогать родителям
You need to be good надо быть добрым
My friend said me that he need help мой друг сказал что ему нужна помощь
I'm great in school Я отлично учусь в школе