29. What______ if the earth stopped moving? A. happens B. happened C. will happen D. would happen 30. I’d rather he ______ the door blue. A. painted B. paint C. paints D. painting 31. I am late because my alarm clock never ______ this morning. A. came out B. went off C. turned on D. rang out 32. You can meet Mr. Pike, who is _______ behalf _______ the university to solve the problems of foreign students. A. on / of B. in / for C. with / at D. for / at

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EX1. Complete the sentences using the present perfect tense (Các con chép đề, gạch chân động từ đã chia và khoanh vào dấu hiệu nhận biết nhé) 1.The girl ……….. just ………. a portrait. (paint) 2.Sonia ……………interesting stories to the children many times. (read) 3.Katherine …………….. about her boyfriend several times. (dream) 4.The postman ……………. two letters for my mom so far. (bring) 5.Tony ……………………… nothing up to now. (do) 6.They …………….. for several times. (meet) 7.The chef ………….. a new dish for the customers. (try) 8.The family ……just…… on holidays to the sea. (go) 9.Florita …………………. her bed recently. (make) 10.My neighbour ………… his weekend at the sea. (spend) 11.The teacher ………………… the kids some pictures. (show) 12.My sister ……………….. a few songs at the disco. (dance) 13.The old man …………………. TV for three hours. (watch) 14.Gina…………already ……… her dog for a walk. (take) 15.My aunt ………………… a lot of exercise at the gym since 2019. (do) 16.The angry girl …………………….. for 30 minutes (cry) 17.Mrs Harrison ……………… Maths for five years. (teach) 18.The three kids ………….. in the park happily since they came. (play) 19.Thomas …………… a fish so far. (catch) 20. She …………just …….the room (leave) chỉ cần đáp án và dấu hiệu nhận biết nhé