When you called me last night, I happened (brush) __________ my teeth.
举一反三
- _______ you reading a book when I called you last night?
- called, last, you, I, night (.)
- I ______ my teeth at the moment. brush
- Please_______ the water when you brush your teeth.
- Before breakfast, I need brush my teeth. A: breakfast和teeth都读降调 B: breakfast和teeth都读升调 C: breakfast读降调，teeth读升调 D: breakfast读升调，teeth读降调