As students, we should work hard and do ________ best to realize our dreams.

The students stay _____ home _____ Sundays.[ ]

I usually go to school_______ seven_______ the morning.[ ]

__________ did the silk dress ________ you ? —150 yuan.[ ]

Could you tell me _____? I must find him. —-Sorry. I have no idea. But he was here just now .