题目内容：

 

1.                  (多亏，由于) the teacher’s help, I have passed the exam.

2.                (到目前为止), no one has really reached the top of the mountain.

3.He is                 （短缺、缺少）money, Let’s help him.

4.The boy has                (取得进步) with the help of his classmates.

5.Our country has                (飞速发展) in recent years.