UNIT 4. Lights, camera, action! 4D GRAMMAR (not) as, too, enough, page 33
2 Dan is as rich as Constance.
3 Dan isn't as successful as Constance.
4 Constance isn't as tall as Dan.
5 Dan isn't as popular as Constance.
6 Constance isn't as heavy as Dan.
7 Dan is as hard-working as Constance.
2 Jane is too lazy to help with the housework.
3 The box is too heavy to lift.
4 The lorry is too tall to go under the bridge.
5 The weather is too cold to play outside.
6 This coffee is too hot to drink.
2 Jane isn't hard-working enough to help with the housework.
3 The box isn't light enough to lift.
4 The lorry isn't low enough to go under the bridge.
5 The weather isn't warm enough to play outside.
6 This coffee isn't cool enough to drink.
2 I'm not as old as you.
3 It isn't too wet to play tennis.
4 Is your coat warm enough?
2 a picture
3 a mouse
5 a bat
6 a bee
8 a tree
Students' own answers