His sister is _____ of the two girls.(tallest / the tallest)

His sister is a ( student).对括号部分提问 _____ _____ his sister? 改为否定句： Rick is helping his sister learn English. Rick _____ _____ his sister learn English. His sister,always is his sister. his sister is His sister is sixteen years old.I am thirteen years old.I'm _____ ______ _____ than his sister.改为同义句： she is his sister,helen. his sister is a nurse _____ a hospital.A.at B.in 为什么不是in. His sister is _____ of the two girls.(tallest / the tallest) He _____ (argue)with his sister now. His sister is from Canada.(对Canada提问) ( ) his sister ( )? ( )（）is his sister?she is ( ). ( )（）is his sister?she is ( )（）. tom is ten.His sister is five. Li Ming is ____ ____ ____ ____ _____ (在体育方面和.一样好）his sister. Is his sister a teacher yes,his sisiter is .改正错误 Is that his sister?变为复数句 that is his sister改为复数形式 his sister is a teacher改成复数