Подчеркни правильное слово 1. Dogs can/can't run fast. 2. Crocodiles can/can't swim. 3. We must/mustn't look after our pets. 4. Children must/ mustn't do their homework every day. 5. If you have a pet at home you must/mustn't feed them.
1. can 2. can 3. must 4. must 5. must