—What’s wrong with her?—There may be something wrong with her ______，she can’t see things clearly.

 My sister likes reading. In her room, you can see lots of books and _______.

The 2014 Winter Olympics was held in Sochi,        in February.

Lee is new in Yangzhou. Maybe he needs a _____for sightseeing.

— Which style is the old _________ favourite? — _________ hard to say.