Dear Bob, Here is a picture of my family. We are all at home now. I am doing my homework. My parents _ in the living room. My grandfather _. My sister _.Jim 3a Complete Jims letter.1. 先看所给 的图 片提示,明白每个人正做的事情。2. 其次,通读 全文,确定应该 写的人物。可知,Jim 的父母亲 正在看电视 ;他的爷爷 正在读报纸 ;她的妹妹正在和朋友打电话 。3. 运用现 在进 行时态 写出正确的句子。注意句子结 构:be (am, is , are) + V. ing 形式。特别 是be 动词 的恰当形式。Dear Bob, Here is a picture of my family. We are all at home now. I am doing my homework. My parents _ in the living room. My grandfather _. My siste