Microblog is pltform ________ people cn express their t...
单项选择题Microblog is pltform ________ people cn express their thoughtsnd communicte with ech other
bMicroblog is pltform ________ people cn express their thoughtsnd communicte with ech other by sending posts.which B．where C．wht D．whenA．whichB．whereC．whatD．when
