所给动词的适当形式填空,必要时加助动词。 1. —When were you born? —I _____ (be) born in 1996. 2. —When did he stop _____ (hiccup)? —He stopped in 1999. 3. Yesterday I met an old friend _____ (call) John. 4. I saw them _____ (walk) in the park. 5. My grandmother is a kind and _____ (love) person.