1.Yesterday we took (photots)on the beach.
2.I met one of my friends when Iwas going to school the day before yesterday.
同义句:On the way to school,I met one of my friends the day before yesterday.
3.When he was five,he started playing the piano.
同义句：He started playing the piano (when)( his)( age)( of) five.
4.Sit down and(rest) for a while.
5.The bike is his.(对his提问)
Whose is the bike?
6.谁会驾驶汽车?
Who has the ability to drive the car?