45 сделайье .1)we have five lessons (in, on,at)the timetable on monday.2)maths and russian are difficult (subjects, pointers, reports).3)my brother has art (once, twice in ,twice a) week.4)dancinq is ann's favourite subject, (is it,isn't it ,isn't she)? 5)my friend is very good (at, with)english. 6)how many lessons (does, will, did) your sister have yesterday? 7)my dad (can,may ,must)play chess very well.8)(should, must, may)i come in? i'm sorry. i 'm late.9)she (hasn't to, doesn't have to, doesn't have)get up early today. it's sunday.10)nick(has a stomachache, has a toothache, caught a cold). he is coughing and sheezing.11)mike, you are so slow. i'm sure you (will be, will,won't be) late.12)kate, you ( shouldn't be,should, should be)polite and friendly.