1.  Му cousin is a scientist and he is trying to find a cure ... cancer.

2.  I’m very thankful ... all the advice you gave me.

3.  The students were divided ... two teams.

4.  You can wear ... of those two dresses. They don’t suit you.

5.  All students ... informed about the new IT course last week.

6.  Scientists are doing research into this rare species ... natural habitat is the bottom of the ocean.