单项选择题
They （） going to see my mother this Sunday.
A．both B．both are C．are both of D．are both
单项选择题 --Have you moved into the new house --Not, yet. The rooms （） now.
单项选择题 Don't leave your luggage in the corridor. It'll be （）
单项选择题 Of the two toys, the child chose （）
