A: What’s the matter, Sara? You wear a sad look on your face.

B: Oh, nothing much. As a matter of fact, I _______ of my friends back home.

More Than a Game, a documentary which follows NBA star LeBrown James’s path

_________ a star, came out on October 2, 2009 in the US.  

Chinese must have the largest number of speakers, ________ ? 

In the past few years, research has suggested that Vitamin D may increase the level of serotonin（血清素）, one of the key nurotransmitters influencing our mood, and ________it helps to relieve mood disorders. 

Fireworks, ________ of gun powder or flash powder _______ in a tight paper tube, make the big flash or boom effect. 

Some people skip meals or eat only tiny amounts of food and may have conditions ______ rob the body of the nutrients ______ needs to grow and stay healthy. 

____ by the advances in technology, many farmers have set up wind farms on their lands.

You should always remember that, in the years to come, you have some people _______ company, the parents who have sacrificed to raise you and provide you with the best education possible.

 Many young people in the West are expected to leave ______ could be life’s most important decision --- marriage---almost entirely up to luck. 

 Afternoon tea was introduced in England by Anna, the 7th Duchess of Bedford, in the year 1840, _____ the evening meal was served fashionably late at 8 o’clock, thus _____ a long period of time between lunch and dinner.