6complete the sentences with must, might or can't. 1 this ring be gold -it only costs £1.99! 2 lt be my book- it's got my name in it. 3 david isn't at school today. he be ill, but perhaps he's on holiday 4 alison's got lots of cats. she like them. 5 they be from yakutia, but i'm not sure. 6 he be scared of heights - he went climbing in the pyrenees last year.

1this ring can't be gold -it only costs £1.99! 2 lt must be my book - it's got my name in it. 3 david isn't at school today. he might be ill, but perhaps he's on holiday. 4 alison's got lots of cats. she must like them. 5 they might be from yakutia, but i'm not sure. 6 he can't be scared of heights - he went climbing in the pyrenees last year.

Disagree - agree, illegal - legal, insecure - secure, immature - mature, disobey - obey, irregular - regular, impatient - patient, illogical - logical, independent - dependent, irresponsible - responsible сами предложения: 1) adam is my older brother but he's so immature he acts like a five-year-old! 2) kate is very independent so she likes to organize her own life. 3) i always do my homework in a hurry because i'm so impatient. 4)that shop opens at irregular times, so you never know if it will be open. 5)if you disobey (disagree) the teacher you'll get into trouble. 6)this maths problem doesn't make sense, it's illogical. 7) if people tease you it can make you feel insecure. 8)luke is really irresponsible. you can't rely on him 9) in some countries smoking is illegal in public places