My son coughed badly last night. What can I do–You ____ worry so much about it. Drinking more water will help.

Would you like to come to my house to watch the Voice of China together —________.

HardlyMike picked up the ball when another player took it form him

Cars play an important role in modern life, but they_______also cause many problems like air pollution．

Ms Black is considered a ________ lady by her neighbors，for she often helps the poor old man next door.[ ]