Helen is much more kind to her youngest child than to the others,___________ of course, make the others unhappy.

---I think Helen is at home.

---No, she    be at home, for she phoned me from the airport just five minutes ago.

A．mustn't           B．needn't           C．can't             D．dared not

第四部分：写作（共三节）
短文改错（共10小题；每小题1分，满分10分）
Helen is one of my best friends. She had taught                     76. _________
us English when I attended training class two                               77. _________
years before. Helen always made good preparations                      78. _________
for the lesson, and she tried her best to make                                79. _________
her classes lively. I used to being poor in English,                         80. _________
especially in written English. But now I'm able                          81. _________
to write English letters and reports correct.                                   82. _________
I still remember how she helped me for my                               83. _________
English patiently. Teachers' Day's come. I'm going to                      84. _________
send to her a card and give her best wishes.                              85. _________

---I think Helen is at home.
---No, she    be at home, for she phoned me from the airport just five minutes ago.

Helen is much more kind to her youngest child than to the others,___________ of course, make the others unhappy.

A. who       B. which       C. she       D. that