( )（7）上学路上，碰到老师和同学你不会说：
A. Hello. B. Goodbye. C. Good morning.
Do you like________the room?
A．clean B．cleaning C．cleans
Micky sings and dances________.
A．well B．good C．better
Mike________to study English at the age of 5.
A．begin B．begines C．begins
I'll get________at 5：00 am tomorrow.
A．on B．up C．to
You must go to bed__________10 o'clock in the evening.
A．before B．after C．in