Заповни пропуски підходящими за змістом дієсловами з дужок. У деяких випадках можливі варіанти.

1) She ... play the guitar rather well. (may, must, can)
2) This baby ... walk yet. (mustn't, can't, couldn't)
3) You ... be at two places at once. (mustn't, must, can't, can)
4) You ... teach an old dog new tricks. (must, can, can't)
5) Tortoises ... run fast. (may not, mustn't, can, can't)
6) The ostrich ... kill a person with one kick. (may, can, must)
7) I ... help you if you want. (must, can, may)
8) You ... finish all the work yesterday. (could, may, can)
9) I ... sleep well yesterday. (can't, mustn't, couldn't)
10) Pupils ... be late for classes. (can, may, must, mustn't)
11) We ... boil drinking water because of germs. (can, may, must)
12) He ... inform you about it. (must, cant may)
13) We ... show these photos to her. (must, mustn't, can, can't)
14) Granny is sleeping. You  ...  make a noise.  (must, can't, mustn't)
15) We ... cross the street when the light is red. (must, may, can, mustn't)
16) People ... take care of nature. (can, may, must, should)
17)  ... I go out? (can, may, must)
18) People ... live on the Moon. (must, may, can, can't)
19) Children ... go to bed late. (can, must, can't, may, mustn't, shouldn't)
20) Max ... take my umbrella. (must, can, may)

1can2can't3can't4can't5can't6can7can8could9couldn't10mustn't11must12can(must)13must(can.can't.mustn't)14mustn't15mustn't16must(should)17may18can't19mustn't(shouldn't)20may