It’s time that I ____ on night duty. I must be offnow.—I’d rather you ____ at home on such a family reunionnight.

The little boy is dirty from head to foot because he ___ in the mud all morning.

The child said he had ______ the pen on the desk, but I thought he ______ to me .

I sympathize, I can’t really do verymuch to help them out of the difficulties.

There __________ a teacher and seventy—two students in the classroom.