________ is known to everybody, the moon travels round the earth once every month.
________ the classroom, the teacher found all the parents already______ there.
Not only_______ the food in the restaurant, he______ to pay for it.
The class __________ 80 students is hard to manage.
You __________ to leave until you __________ your work.
The girl’s face looked pale, so our classroom teacher requested that she ________to hospital immediately.