1. He is...(good) than Steve at sports 2. She isn't as...(sociable) as her friend 3. Laura is the...(serious) of all

 1. He is...(good) than Steve at sports

He is better than Steve at sports.

2. She isn\'t as...(sociable) as her friend

She isn\'t as sociable as her friend. 

3. Laura is the...(serious) of all

Laura is the most serious of all.

4.He looks very...(happy)

He looks very happy.