It ist't your pencil .I think it's h______pencil.Because he

He likes math because it’s i.But his sister does’t think so He doesn't think it's difficult. I don't like math because I think it's d______. 对because it`s boring 提问.原句是He doesn`t like his job because i I don't think it's()question. It's this your pencil? -Yes,itis. It's that you book? -Yes,i I think they wear them because it's too h_____ I don't think that it's ture.He's always telling stange stor I don`t think that it`s true.He`s alaways telling strange st is this your pencil case?___a 、yes,it's b 、no,it isn't [ ] is your pencil?It's red . ----- ----- is your pencil?It's orange .