My e-mail______to you last night. Have you received it____? A.sent;yet B.is sent;already C.was sent;yet
My parents come from Hunan, but ____ of them likes hot food.
I don’t know when my father _____ back, but I’ll let you know when he ___back.
The children have six ______ classes every weekday.
We are not allowed ______ in our school.
She wanted to find a cleaner room ______.