阅读下面短文,用括号内所给动词的适当形式填空,必要时可加助动词或情态动词。(请将各小题答案写在短文后相应的横线上)

Do you still remember Old Henry? Last Sunday, he 小题1: (go) for a walk with Wang Wang, his cute dog. It was a nice day. Old Henry sat down and watched Wang Wang 小题2: (play) with a friendly black cat. Then it was time to go home. Old Henry looked for his dog. But Wang Wang 小题3: (be) not there! Now Old Henry is very sad. He 小题4:(miss) his dog and doesn’t want to do anything.