—What class are you in? — I’m in _____.A. grade 7, class 2B. Class 2, Grade 7C. Grade 7, Class 2
---Do you think yesterday’s math problem was difficult? ---Yes. I could work it out.
--- A second-hand computer is much than a new one. ---That’s true, but I’d like a new one.
Mr. Black is strongly _____ keeping animals in the zoo, because he thinks animals should also have the right to enjoy freedom.
---When shall we start, today or tomorrow? ---is OK. You decide.
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