The blue pen is the longest 对划线部分提问（The blue pen） is the longest 对划线部分提问

The pen is blue.成分分析 the pen is blue怎样变成一般疑问句? 如何提问The blue pen is my favourite one The pen is blue对划线部分提问（划线部分为is blue） 修改病句 This is a pen.The pen is a blue. The blue pen is the longest 对划线部分提问（The blue pen） is the longest 对划线部分提问 The pen and the ruler is blue.这句话错在哪里? （ ）pen is yours,the red one or the blue one?括号里应该填什么? The sky is blue Blue is the Colour a,there,is,blue,the,box,pen,in(.)连词成句 I like the pen( ) is blue!定语从句填that还是which 对划线部分提问The blue pen is Toms.（Toms为划线部分） I like blue pen on the table.It is very nice 这句话改错 The blue pen is Kate's.Please give it to_____(she) The pen is the yuan. HOW much the red pen and the blue ruler填空 The blue pen is his,and the green pen is hers.如果对,为什么要用hers?像这种物主代词怎么用?