1. I (She, The woman…) had (got) a headache yesterday.
2. Mike’s (My, His) favorite subject is English./ English is Mike’s( my, his) favorite subject.
3. Li Ping (My mother, Her sister…) goes shopping once a week.
4. It’s dangerous to climb trees /the tree./ Climbing trees/ the tree is dangerous.
5. He (The boy, My brother…) can repair the bike.