His sister is only four,but she can read and w____

His sister,always is his sister. his sister is His sister is only four,but she can read and w____ she is his sister,helen. His sister is from Canada.(对Canada提问) ( ) his sister ( )? A man love a girl as his sister,but he is a only son.This love what do you explain? ( )（）is his sister?she is ( ). ( )（）is his sister?she is ( )（）. tom is ten.His sister is five. Sister only 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 This is his sister改为复数句 His ______(three) sister is a teacher. look!steve is w____for his sister Is Jenny his sister?肯定,否定回答