Cho 18,2 gam hỗn hợp gồm benzen và stiren làm mất màu vừa đủ 100ml dung dịch brom 2M. Tính khối lượng của benzen trong hỗn hợp đầu

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Question 19: I haven't won yet, but I will keep trying A. Correct B. Incorrect Question 20: I don't really like the film although most critics say it is a must-see film. A. Correct B. Incorrect Question 21: The effect in the film is amazing. Although the acting is terrible A. Correct B. Incorrect Question 22: In spite of it is a comedy, I don't find it funny. A. Correct B. Incorrect Question 23: She performed excellently in many films. However, she hasn't ever won an Oscar for Best Actress. A. Correct B. Incorrect Bài 2: Choose the best answer to complete these following sentences. Question 24: _____ she was very tired, she helped her brother with his homework. A. Because B. whether C. Although D. so Question 25: It’s raining hard, _____ we can’t go to the beach. A. or B. but C. so D. though Question 26: Nam was absent from class yesterday ____ he felt sick. A. so B. because C. although D. but Question 27: Tom has a computer, _____ he doesn’t use it. A. or B. as C. because D. but Question 28: The boy can’t reach the shelf ____ he’s not tall enough. A. because B. although C. even though D. and Question 29: The film was boring, ____ we went home. A. so B. when C. but D. if Question 19: I haven't won yet, but I will keep trying A. Correct B. Incorrect Question 20: I don't really like the film although most critics say it is a must-see film. A. Correct B. Incorrect Question 21: The effect in the film is amazing. Although the acting is terrible A. Correct B. Incorrect Question 22: In spite of it is a comedy, I don't find it funny. A. Correct B. Incorrect Question 23: She performed excellently in many films. However, she hasn't ever won an Oscar for Best Actress. A. Correct B. Incorrect Bài 2: Choose the best answer to complete these following sentences. Question 24: _____ she was very tired, she helped her brother with his homework. A. Because B. whether C. Although D. so Question 25: It’s raining hard, _____ we can’t go to the beach. A. or B. but C. so D. though Question 26: Nam was absent from class yesterday ____ he felt sick. A. so B. because C. although D. but Question 27: Tom has a computer, _____ he doesn’t use it. A. or B. as C. because D. but Question 28: The boy can’t reach the shelf ____ he’s not tall enough. A. because B. although C. even though D. and Question 29: The film was boring, ____ we went home. A. so B. when C. but D. if