Read and choose. 读一读,把答句序号写在相应的问句前的括号内。 |
( ) 1. What is John doing? ( ) 2. What are you doing? ( ) 3. What are they doing? ( ) 4. Are they eating the vegetables? ( ) 5. Is she writing a report? A. I am watching insects. B. He is doing an experiment. C. Yes, she is. D. They are picking up leaves. E. Yes, they are. |