2 B GRAMMAR: DISTANCING

a 2. It seems that men are more at risk....

   3. It appears that she has changed her mind...

   4. It seems that you are unable to deal...

   5. It seems that the weather is improving...

   6. It appears that the robbers were wearing...

b 2. A spokesman is expected to make an announcement

   3. More than half the population are believed to suffer from headaches.

   4. St Petersburg is said to be one of the...

   5. At least 70 people are thought to be injured...

   6. The economy is expected to grow...

c  Underline:

   according to, do not appear to have been used, apparently, there are said to be, it has been suggested, may have broken down.