tìm hai số có hiệu bằng 133 biết rằng nếu lấy số bị trừ cộng số trừ cộng hiệu thì được 432

giải hộ mình với ạ giải cách lm ấy ạ

1. When I last saw him, he _____ in London. A. has lived B. is living C. was living D. has been living 2. We _______ Dorothy since last Saturday. A. don't see B. haven't seen C. didn't see D. hadn't seen 3. The train ______ half an hour ago. A. has been leaving B. left C. has left D. had left 4. Jack ______ the door. A. has just painted B. paint C. will have painted D. painting 5. My sister ________ for you since yesterday. A. is looking B. was looking C. has been looking D. looked 6. I ______ Texas State University now. A. am attending B. attend C. was attending D. attended 7. He has been selling motorbikes ________. A. ten years ago B. since ten years C. for ten years ago D. for ten years 8. Christopher Columbus _______ American more than 500 years ago. A. discovered B. has discovered C. had discovered D. had been discovering 9. He fell down when he ______ towards the church. A.run B. runs C. was running D. had run 10. We _______ there when our father died. A. still lived B. lived still C. was still lived D. was still living 11. They ______ table tennis when their father comes back home. A. will play B. will be playing C. play D. would play 12. By Christmas, I _______ for Mr. Smith for six years. A. will have been working B. will work C. have been working D. will be working 13. I _______ in the room right now. A. am being B. was being C. have been being D. am 14. I ______ to New York three times this year. A. have been B. was C. were D. had been 15. I'll come and see you before I _______ for the States. A. leave B. will leave C. have left D. shall leave 16. The little girl asked what _______ to her friend. A. has happened B. happened C. had happened D. would have been happened 17. John ______ a book when I saw him. A. is reading B. read C. was reading D. reading 18. He said he _______ return later. A. will B. would C. can D. would be 19. Jack ________ the door. A. has just opened B. open C. have opened D. opening 20. I have been waiting for you ______. A. since early morning B. since 9 a. m C. for two hours D. All are correct

Giúp mình với ạ , mình cần phần b nhé😣

Vẽ anime/ chibi zui :'>> - Digi hoặc tradi - Full line, màu thì tùy tâm ỤnU ____________________________ Ít đỉm sợ khum ai trl :'<< NL: Cko em xin cái nhận xét ( bắt buộc nhá :>> ) Em biết nó xấu nên mấy bác cứ chê thoải mái nhé :))

Giải phương trình sau Sin^2 2x+ cos^2 3x=0

Cho em hỏi cách giải câu số 9 với ạ

long for dip into count on carry away standout give in fire way light up call on go on come in for come out 81. Peter is very tall. He really ................... from the rest of his class. 82. I've only had time to ................... the report. 83. - “I’ve got some questions I’d like to ask you.” - “Right ...................!” 84. The police ................... a good deal of criticism over their handling of the demonstration. 85. I was ................... by the beautiful music. 86. The little boy was ................... his mother to tell him the story, but she was too busy then. 87. I got impatient waiting for my turn to ................... 88. I didn’t ................... your arriving so soon. 89. We’re going to ................... Mark since he moved into a new house. Please help me !

Chọn phương án đúng để hoàn thành mỗi câu sau 1. I’m afraid we no longer sell that model of laptop because we had a lot of complaints. A. so B. such C. enough D. too 2. There was hardly money left in the bank account. A. no more B. some C. no D. any 3. Gardeners transplant bushes and flowers by moving them from one place to . A. other B. others C. another D. each other 4. In developed world, there are not jobs left which don’t use computers to carry out many daily tasks. A. some B. any C. none D. much. 5. She spent her free time watching TV. A. a few B. most of C. a lot D. most 6. Unfortunately, we've made A. little progress B. a few progresses C. little progresses D. few progress 7. students in our class is 45. A. large amount of B. A lot of C. A number of D. The number of 8. The two cars for sale were in poor condition, so I didn't buy A. neither of them B. either of them C. each of them D. none of them 9. The pair of jeans I bought for my son didn't fit him, so I went to the store and asked for A. the other ones B. others ones C. another pair D. another jeans 10. This winter wasn't as difficult as last winter. A.almost B. nearly C. closely D. just

Em có thể phân biệt về vật chất ( vật lý, hóa học,...) và khoa học về sự sống (sinh học) dựa và sự khác biệt nào?