People usually transmit HIV__body liquid or__receiving infected blood transfusion.供选:by,through

cis- trans- trans fatty trans-boundary Trans.Wt. What do people usually do at Christmas? what do people usually eat at Christmas? people usually write with their _____ hands. what do people usually do on Tancksgivingday? What do people usually eat Easter? At Halloween,people usually hold s__ parties People usually have lunch at n_____. many people usually write with their ?hands What do people usually do on vacation? People usually call (n ) angels in white . creative people usually like art and music chinese people's hair ------usually blacktiankong People usually make colourful eggs at 求中文Lucky usually barks at people