The detective, ________ to read a newspaper, glanced at the man ________ next to a woman.

Everyone has his or her advantages, and only _______ you do best can help to reach the goal and truly make a difference.

I really appreciate ________ to relax with you on this nice island.  

They will start their project ____at helping the poor children to be educated in China＇s west.

The H7N9 flu is reported ______  higher fever and coughing for several days.

______ by jeep, we visited a number of cities in South China.

The little boy, ____ two attempts to climb over the fence of the garden, decided to have another try.

When I was passing the town hall, I heard the clock ____ twelve.

The heavy snow lasted for a week, _____ serious traffic confusion in the whole area.

There are many beautiful mountains ______ in the south of China.