中国大学MOOC: Brush your _________ in the morning and before going to bed.
举一反三
- Don't forget __ your teth before you go to bed. () A: brush B: to brush C: brushing
- _____ you _____ (brush) your teeth every morning?
- Before going to bed, you should put things ______ they were.
- The girl often brush her( )before she goes to bed. A: tooth B: tooths C: teeth D: teeths
- Don't forget ______ your teeth before you go to bed.