1 They are riding their bikes. (ride).
2 She is cleaning the window.
3 He is having a shower. ( have ).
4 She is brushing her hair. (brush)
5 He is opening the door. (open)
6 They are cleaning their teeth. (clean)
I have got a pet. It is a dog. Its name is Grey. It is black and white. Grey can run and jump. It can not swim. I like to play with my dog.
Ответ: Слова расставлены верно
Объяснение:
1-mustn't
2-can
3-must
4-had to
1) ученики не должны разговаривать во время урока.
2) может быть дождь, возьми свой плащ.
3) мой друг болен, и я должен навещать его каждый день.
4) я вынужден был подготовить отчет(доклад), поэтому я пошел в библиотеку вчера.