Linhong ______ballet since she was five years old.

--- What smells terrible, Ted?--- I’m sorry. I’ll ___ my shoes and wash them at once.

— Please stop smoking. Look at the sign. — Oh ,sorry. I     see it.

 —The river smells so terrible! How did it come about?—People used to pour dirty water into it.

 If you don’t keep your words all the time , your best friends won’t         you any more .