简答题 Have you seen Tom recently?

简答题 Would you please help me with this heavy box?

简答题 He has a foreign friend who lives in the United States.

填空题 The People's Republic of China ( ), founded on October 1, 1949, covers an area of 9.6 million square kilometers.

简答题 She likes to help any one who is in difficulty.

简答题 It’s very important to maintain your current weight through exercise and healthy eating.

简答题 Bill hit his car into a wall last night.

简答题 It normally takes a semester for a college freshman to adjust to his college life.

填空题 Various substances differ widely in their magnetic( )characteristics.