（北师大版）三年级英语上册练习题Unit 4 Dinner time!一、完成句子。 1Monkey is _ . 2. Tom is _. 3. My father is _. 4. Lulu is _. 5. This is _. 二、看图选择句子，抄在相应的横线上。A. Whats she doing? B. He is washingC. Whats he doing? D. She is studying