【题目】By the time we ____from our school,we have been close friends for more than ten years.

【题目】I am wondering how it ____ that you did so much work within such a short time.

【题目】____ the help of the teacher, the student who wasn’t good at math ____ the difficult problem quickly.

【题目】Great changes have taken place since then in the factory _____we are working.

【题目】Who likes music that has great lyrics(歌词)？

【题目】What matters in life is working hard ____hardly working.

【题目】They went to the street to ____to the whole city to help the poor boy.

【题目】All color fades,____ under the impact of direct sunlight.

【题目】What does the woman want the man to do?