Finish the second sentence in such a way that it means the same as the sentence before

1.     Finish the second sentence in such a way that it means the same as the sentence before.

Tom drives carefully.

 => Tom is ..........

28. Complete the second sentence so that it has the same meaning to the first.

 The river is too dirty for us to swim in.

=> The river is not .....

29. Finish the second sentence in such a way that it means the same as the sentence before.

This exercise is very difficult and he can’t do it.

 => This exercise is too ..........

30. A year has twelve months.

 => There are .........

31. Do you enjoy listening to music?

 => Are you interested ..........?