Complete the second sentence so that it means the same as the sentence before

II. Complete the second sentence so that it means the same as the sentence before :

1.  I was tired last night. I stayed up late to watch a game show .(Although)

-> Although .................................................................................................

2.The students started to collect old clothes for their charity programme last week.

-> The students have............................................................................................

3.We make the air dirty because we use the car all the time.

-> If we use...............................................................................................................

4.Nam rides  his bike to school every day.

-> Nam goes...........................................................................................................

5.Children take part in many after school  activities when school finishes.

-> Children do.........................................................................................................