用合适的介词、副词填空:These Young Pioneers are cleaning_____ the beach
用合适的介词、副词填空:These Young Pioneers are cleaning_____ the beach
用方框中选择合适的介词或副词填空 1.We could put ______ these notices on the
they are ()() the young pioneers
用合适的介词和副词填空
用合适的副词或介词填空.
用合适的介词或副词填空
Young Pioneers are helping the old woman.的意思
______ of the students are Young Pioneers.
用适当的介词或副词填空.Put these clothes _____ the wardrobe.
英语用合适的介词或副词填空
用合适的介词或副词填空(英语题)
根据句意,用合适的介词或副词填空