31.  I want to ask you two questions.

32.  I have two questions to ask you, and hope you can help me.

33.  It's so useful for me and all the students.I want to ask two questions.

34.  So I write the letter to ask you two questions.

35.  That morning two n come for the papers.

36.  At last two policemen came to the professor's house, they were worried, they told him the true story, The professor asked them not to worry about his invention.

37.  The two men take the wrong papers.

38.  Two moath later the doctor said," next week you will go back our home.

39.  In the afternoon, we were going to boat, we emplied two boats, four people on a boat.

40.  he made two friends.