Viết lại câu sao cho giữ nguyên nghĩa của câu trước

VI. Viết lại câu sao cho giữ nguyên nghĩa của câu trước.
1. She said “ Can you swim, Ba?”
She asked ....................................................................................................... .
2. It is a contest in which participants have to cook rice.
It is a ............................................................................................................... .
3. Her sister is fond of collecting stamps.
Her sister likes................................................................................................. .
4. They started to work in Viet Nam five months ago.
They have ......................................................................................................... .
5. Lan made a cake two hours ago.
A cake..............................................................................................................