1)aggressive: Hyun was professional chess player. He is famoused for aggressive play.

2)in fact: Lexie likes going field trip. In fact, She was very happy so didn't sleep.

3)back and forth: Felix was an inventor. He goes back and forth and thinks about invention.

4)crucial: Julia's mid term test information was very crucial.

5)consider: Candy considered going on a trip around the world on this vacation.