[r]
(1)Exercise 4
1 a candy b sandy c many d handy
2 a earning b learning c searching d clearing
3 a waited b mended c marked d faced
4 a given b risen c ridden d whiten
5 a cough b tough c rough d enough
6 a smallest b best c longest d biggest
7 a coffee b spot c second d stock
8 a mountain b ground c blouse d soup
9 a bridge b white c size d nine
10 a department b supermarket c warm d smart Exercise 5
1 a stage b page c cake d tablet
2 a flower b down c know d now
3 a peace b heat c meat d bear
4 a elephant b event c engineer d let
5 a listened b liked c watched d stopped
6 a accident b jazz c stamps d watch
7 a this b thick c maths d thin
8 a gas b gain c germ d good
9 a bought b ought c plough d thought
10 a spear b gear c fear d pear
Exercise 6
1 a thick b thorough c healthy d weather
2 a heavily b tea c seaside d increase
3 a honor b himself c heart d honey
4 a enable b museum c emotional d encourage a thank b eleventh c without d threatening
6 a gain b good c discourage d god
7 a wild b bewilder c child d idle
8 a another b together c tomorrow d petrol
9 a chronic b charge c charity d achievement