1 a
2 b
3 b
4 a
5 b
6 a
Exercise 2
1 may well
2 is likely that
3 are certain to
4 is unlikely to
5 could
6 definitely won't
Exercise 3
1 Scientists might find a cure this century.
2 The medical team will definitely publish their findings soon.
3 An overnight cure is unlikely to be found.
4 The pills will probably be avaliable soon.
5 The new diet is certain to be popular.
6 It is probable that obesity will increase.
Exercise 4
1 Ture
2 Ture
3 False
4 Ture
5 False
6 Ture
