Please help yourselfs ( )some drinks括号中应填什么介词?

Please help yourselfs ( )some drinks括号中应填什么介词? help yourslfe ( )some bananas,please.用适当介词填空 could you help me buy some drinks? some help please Let's ask him ()help.括号中填什么介词 Please help y___to some cakes中间写y什么 Would you like some drinks,boys?yes,( ),please Please bring some drinks for the party.改错题 please help yourself to some Mary drinks (some) juice 对括号里的提问 Please call me( )232222,在括号里填一个介词,应该添什么介词. PLEASE HELP 英语介词后能接句子么