78. You are welcome to let us know what you ____________ our restaurant at any time.
77. I expect to buy a vacuum cleaner that will last for ________ five years.
76. Liu Ying did not come to school. She has to___________ her sick father at home.
75. A year is dividing into 12 different star signs.
A B C D ( )__________
D)从下面方框中选择适当的词语填空，注意改变部分词语的形式，使句意完整正确。
in order to; look after; be not satisfied with; look forward to; at least
74. Do you know how much colors there are in a rainbow?
73. Mary felt happily because her aunt gave her a present.
72. He would not mind do extra work for his school.
71. I don’t know what to wear. Could you give me some advices?
70. The life in a middle school isn’t ________ (real)boring.
C) 下列各句A、B、C、D中有一处错误，请在不改变句子意思的前提下，将正确答案写在题后的横线上。
69. The boy tried to open the juice can with a opener but ________ (fail).
