Swim . Потому что это глагол . Все остальные прилагательные ) помоему так
3. Now Mrs. Bell is teaching her pupils to read fast.
Is Mrs. Bell teaching her pupils to read fast now?
What is Mrs. Bell doing now?
Who is teaching pupils to read fast now?
Is Mrs. Bell teaching her pupils to read fast or slow now?
Mrs. Bell is teaching her pupils to read fast, isn't she?
4. We often go to the circus.
Do we often go to the circus?
Where do we often go?
Who goes often to the circus?
We often go to the circus or to the theater?
We often go to the circus, don't we?
Читается does ⇒ [<span>dʌz</span>]
In the left corner ,right corner,in the middle of the room,between the beds
Ответ:
1) My friend was arriving while I was doing homework.
Мой друг приезжал, когда / в то время как я делал домашнее задание.
2) The teacher was talking to us when bell rang.
Учитель разговаривал с нами, когда прозвенел звонок.
3) My dad turned off the TV when we were watching "House".
Мой отец выключил телевизор, когда мы смотрели сериал "Хаус".
4) My friends were playing chess when we arrived.
Мои друзья играли в шахматы, когда мы приехали.
(или Когда мы приехали, мои друзья играли в шахматы)
5) I was listening to music when my brother phoned.
Я слушал музыку, когда позвонил мой брат.
или
I was listening to music while my brother was phoning.
Я слушал музыку, когда / в то время как мой брат звонил по телефону.
Объяснение: