A. 根据括号内所给单词的汉语意思，写出适当的单词，补全下列句子。
71. Some students can't (拼写) the word 'geography'.
72.1 want a (放松的)trip with my family.
73. Tom's room is not tidy and his books are (到处).
74. It's good for us to have sports three (小时) every week.
75. Thanksgiving Day of the USA is on the fourth (星期四) in November. B.根据句意，用所给单词的适当形式填空。
76. We need three ( tomato) for the salad.
77. Linda is a good student mid she (finish) her homework first every day.
78. My new friend is in the (two) photo.
79. ---Jerry, is the purple jacket your (brother)?
---Yes. And the black one is his, too.
80. Thank you for (help) me with my math.