----Would you please not smoke here? Look at the sign. ---- ________.
Our city is becoming _________.
Li Xing’s illness(病) is very_____. You must take his illness ______.
—_____ do you water the flowers?—Twice a day.
I have only ten yuan with me, ___________ I can’t buy the expensive dictionary.
It was Sunday, so we decided ___________ camping in the mountain.