产权登记制的理论基础是( )。 A．非对抗要件主义 B．不对抗要件主义 C．对抗

根据句意，用方框内所给单词的适当形式填空。（每小题1分，共5分）

sleep   win  tomato  play   nine

 
小题1:I often hear them ____the piano in the room.
小题2: Teachers’ Day in the _____month of the year .
小题3:Tom fell ____in the class yesterday because he was very tired.
小题4:—Excuse me ,what’s the price of these ___?
—Six yuan a kilo .
小题5: I think Sally will be the ____of the English competition in our school.