1. You (drive) to work when the accident happened?                       _______________

2. I promise I (try) my best next semester                                    ______________

3. (Learn) about other cultures is one of my interests.                                                _______________

4. Sandra needs (improve)      her English writing.                                                     ______________

5. He doesn’t mind (help) his mother do housework.                                                _______________

6. We have to (clean) the house carefully before Tet.                                                _______________