1. It was very dark, so they turned on a torch.（對劃線部分提問）
Why did
they
turn
on a torch?
2. They ran away as quickly as they could.（對劃線部分提問）
How did
they
run
away?
3. She went on holiday after she had taken the examination.（對劃線部分提問）
What did
she
do
after she had taken the examination?
4. She had finished the housework before she went out.（對劃線部分提問）
When had
she
finished
the housework?
5. He bought a new house. He sold the old one. (用after連成一句)
He bought a new house after he had sold the old one.
6. It began to rain. He returned home. (用before連成一句)
It had begun to rain before he returned home.
7. The thieves had already gone. (變為反意疑問句)
The thieves had already gone,
hadn't they
?
8. What's the matter? (同義句)
What's wrong
?
