Нужно вставить is, isn`t, are, aren`t, do, don`t, does, doesn`t в предложения 1. the seals clapping now? yes, they 2. seals usually clap at lunchtime? yes, they 3. crocodile crying? no, it 4. crocodile often cry? no, it 5. giraffes usually eat from trees? yes, they 6. giraffes eating from the tree? yes, they нужно исправить ошибки-зачеркнуть лишнее слово. 1. we must`n to feed animals at the zoo. 2. we have to wear a uniform at a school. 3. whales are the bigger than dolphins. 4. giraffes are usually eating from the tree now.

1) Are the seals clapping now? Yes, they are
2) Do the seals usually clap at lunchtime? Yes, they do.
3) Is the crocodile crying? No, it isn't.
4)Does the crocodile often cry? No, it doesn't.
5) Do the giraffes usually eat from trees? Yes, they do.
6) Are the giraffes eating from the tree? Yes, they are.

1. We mustn't (to) feed animals at the zoo.
2. We have to wear a uniform at (a) school.
3. Whales are (the) bigger than dolphins.
4. Giraffes are (usually) eating from the tree now.