Use past Simple or Past Continuous. 1. While he (to travel) on the bus to work, he (to remember) that it was his wife's birthday.

2. The children (to study) while their nanny (to prepare) dinner?

3. While you (to be) out, the post an came and (to deliver) these letters.

4. You (to watch) the film when the phone ring?

5. John (to see) a bright Light as he (to walk) down the street.

6. The baby (not to sleep) when Grandpa (to arrive). ​

ответ: 1. was travelling/remembered, 2. were studying/was preparing, 3. were/delivered, 4. Were you watching..., 5. saw/was walking, 6. wasn't sleeping/arrived.

Объяснение:

1. While he was travelling on the bus to work, he remembered that it was his wife's birthday.

2. Were the children studying while their nanny was preparing dinner?

3. While you were out, the postman came and delivered these letters.

4. Were you watching the film when the phone rang?

5. John saw a bright Light as he was walking down the street.

6. The baby was not sleeping when Grandpa arrived.