---Excuse me, sir. Is the swimming pool open all day?---_______. Only from 6:30 p.m. to 9:30 p.m.
---________? ---I failed the exam.
If there aren’t so many cars, our air would be much ____.
Why _____ to bed early?
---What do you think of this schoolbag? --- Oh, it looks _____.
How many words have you learned_____ you began to learn English?