We should brush our ______ every day.
A: tooth
B: teeth
C: hand
D: face
A: tooth
B: teeth
C: hand
D: face
举一反三
- We should brush our __________ twice a day. A: tooth B: teeth C: tooths D: teeths
- We brush our teeth every night as part of our .（老规矩，惯例）
- what should we do when we brush our teeth according to the conversation?
- Every day of our lives we face stresses of one kind or another.
- How many times do you brush your ________ every day？(tooth)