www thuvienhoclieu com UNIT 12 LIFE ON OTHER PLANETS A PHONETICS I Add ful or less to these words to make an adjective (some words can use either suffix) Then mark the stressed syllables 1 sound 2 harm 3 hope 4 thought 5 help 6 colour 7 water 8 forget 9 care 10 delight 11 wonder 12 weight 13 speech 14 power 15 breath 16 peace 17 home 18 beauty 19 success 20 emotion II Complete the sentences with the words in the box Then read the sentences aloud useless thoughtful flightless meaningful purposefu[.]