1. I like a .(正方形)2. Her mother is a .(公共汽车司机) 3. These are many .(邮票) 4. Here are three .(公共汽车) 5. The onions are in the .(冰箱)
1. — does the school begin? 2. — is your mother? 3. — is Bob? 4. — boys are there in your class? 5. — do you go to the Great Wall?
5. put(现在分词)