现在进行时be+v.-ing — 英语情景题
题目
Read and choose. 选择方框中合适的词补全对话，将序号填在横线上。
A. doing B. is C. am D. cooking E. watching
Sam: Hi, Kitty! What are you (1)________?
Kitty: I (2)________ making a cake for my mum.
Sam: Wow! Is your mum (3)________ dinner now?
Kitty: No, she isn't. She (4)________ washing the dishes.
Sam: Where is your brother, Ben?
Kitty: Look! He is (5)________ TV in the living room.