16.People can only be infected with HIV in a limited number of ways.

17.Doing exercises regularly can guard against a number of ways.

18.A lot of people don't feel comfortable with/about speaking in public.

urence visited us in place of John who was unfortunately ill.

20.Women suffering from iron deficiency can take supplements in the form of tablets.

21.A CD was attached to the front of the magazine to encourage people to buy it.

22.Looking through a magazine in the doctor's waiting room,I found a photograph of my own daughter's wedding on Page 41.

23.This is a cause all of us hold dear because many people have given up their lives for it.

24.The train is just pulling into the station,so we shall be in time to meet her.

25.He turned the corner and found himself face to face with a policeman.

26.His poor performance may be due to lack of motivation rather than to reading difficulties.

27.The car moved sideways on the ice and went out of control,hitting an oncoming truck head on.