1、第 79 课重点知识练习I. 根据句意，用所给单词或短语的适当形式填空。 （每词或短语只限使用一次）sometime since for subject be good at1. Physics is one of my favourite _ at school.2. He has lived here _ two years. 3. His sister _ playing the piano. 4. Mr. Smith has worked here _ two years ago.5. You may come to my home _ next week.II. 单项选择。 ( )
2、1. He will stay in our school for _.A. sometime B. sometimes C. some time D. some times ( ) 2. There is nothing _ a book in the box.A. but B. with C. besides D. beside ( ) 3. They _ friends since they met in Shanghai.A. are having B. have been C. were D. are ( ) 4. He came to China _ 1998.A. from B.
3、 since C. at D. in( ) 5. The plane will take off _ ten minutes.A. after B. in C. for D. since III. 根据汉语意思完成下列句子，每空一词。1. 他上周离开的，从那以后我再没见过他。He _ here last week and I _ _ him since then.2. 外国朋友将于下周某时来我们学校。The foreign friends _ _ to our school _ next week. 3. 这学期我更擅长音乐了。I am much _ _ music.4. 我已经生病一周了。I have _ _ for a week. 5. 让约翰明天把这几封们寄了。Please ask John _ _ these letters tomorrow.（ “答案角” ）第 79 课重点知识练习： I. 1. subjects 2. for 3. is good at 4. since 5. sometime II. 15 CABDBIII. 1. left, havent seen 2. will come sometime 3. better at 4. been sick 5. to mail besides
