How many ...time..... a day do you brush your teeth? - Twice.
How ...long........... did you go to the stadium last year?
study well
phải là : how often do you brush your teeth
Nếu câu trả lời là once, twice,... thì câu hỏi phải là how often
2, often
how many times a day do you brush your teeth? - twice
how long did you go to the stadium last year?
tk mk nha
How many .....times... a day do you brush your teeth? - Twice.
How .....long......... did you go to the stadium last year?
hoc tot
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