Unit 4 Do It Yourself Watch a video• It`s uncommon and unusual
The baby is not happy, he is unhappy
The boy is not healthy, he is unhealthy
The room is not tidy, it`s untidy
Practise•选词填空:•1
Some people are ___________ ( friendly, unfriendly) to birds
They throw stones to them
Some people feel _________ (happy, unhappy) that government give poor people such small and _____________(comfortable, uncomfortable) flats
It is _______ (safe, unsafe) to walk alone on the street at night
We should keep students staying away from the ________ (healthy, unhealthy) books
unfriendlyunhappyuncomfortableunsafeunhealthyOpposites( 反义词 ) friendly happy comfortable safe healthy unhealthy“un-”certain common important interesting uninterestingunfriendlyunhappyuncomfortableunsafeuncer