how
- How are you going to the supermarket?—We are going there _____ bike.[ ]
- How can I get there?—Take the elevator __ the fourth floor. [ ]
- How do you study Chinese so well?-_________ reading plenty of books.[ ]
- How long does it take?—Oh, it depends_____ the means of’ transportation. [ ]
- How old are you?—I’m fifteen. I was born ______ 1990.[ ]
- How many types of memory are there _____ our brain?[ ]
- How can I go to the supermarket, Paul?－ bike. It’s not far from here.[ ]
- How long have you been here? — _____ the end of last month. [ ]
- How do you study _______ a test?[ ]
- How do you go to work? —I go to work_____bus. [ ]