Before you pay a visit to a place of interest, look in your local library________a book about it.
Taiwan is ____ the east of Fujian.
Henry,____ Mary and Tom, is coming to China for a visit. Which is wrong?
____ the students likes the paintings. Which is wrong?
Something must be done to prevent our city ____ by thick smoke.
To tell you the truth, I have nothing to do ____ it.