___.Is this your mobile phone?

___.Is this your mobile phone? Is this your pen?Yes,___(thank). ___ ______ is your mother this year? This is ___ ___ ___ part of his job is to deal with the mob on days like this is this a pen ___ your pencil case This is ___ grandmother Genius is a sin against the mob! is this your _____(brother) photo?---No,it is ___(my) A:that's your pen.___ is my pen B:Do you __ this is interesting? Jill is much___(clcver) than kate.is this your ___(one) visit to Beijing? is this your skirt this is your Maybe this is your Is this your uncle? this is your aunt. is this your business Is this your schoolbag?