Complete the sentences (questions and answers)

What time did he wake up ?He woke up at eight o'clock.
What was he doing at eight o'clock ?He was waking up.
What time did he have breakfast ?.
?He was having breakfast.
?He went to church at half past ten.
at half past ten ? to church.
What time ? four o'clock.
at four o'clock ?.
What time did he go to sleep ?.
?He was going to sleep.