71._________

71. How long has your uncle been married your aunt?

70. _________

70. He owes his success for his wife and children.

69. He often helps the students whom he thinks are not quick at their studies. 　　　　　　69. _________

68. The radio set which I bought it last week doesn’t

work.　　　　 　　　　　　　　　68. _________

67. Our head teacher loves us very much and he is highly think of by us.　 　　　　　　　　　67. _________

66. _________

66. He asked me that when I was leaving for England.

65.　 First, could you i_____________ yourself to us?

IV：单句改错