Câu 26: This plant’s …. is high, so it attracts a lot of investment. A. production B. productivity C. products D. produce Câu 27: The ……. of this machine requires the latest techniques. A. production B. productivity C. products D. produce Câu 28: This energy - …. bulb is not cheap. A. save B. saved C. saving D. savoury Câu 29: The …. are requiring us to repair the machines. A. consume B. consumer C.consumption D. consumers Câu 30: Watching Korean films on TV is a time - …. activity. A. consume B. consumer C. consumption D. consuming Câu 31: Water …. is increasing this summer. A. consume B. consumer C. consumption D. consuming Câu 32: The …. of the model attracts us. A. efficiency B. effect C. efficient D. effectively Câu 33: They are working ….., so we are ….. A. effective, satisfactory B. effectively, satisfactory C. effectively, satisfied D. effective, satisfied Câu 34: Life always needs a lot of …... A. innovate B. innovator C. innovation D. B&C Câu 35: Why are you so …….. of his work? He's just doing his best. A. critic B. critical C. criticize D. criticism Câu 36: It's her ….. obligation to tell the police what she knows. A. immoral B. moral C.morality D. morally Câu 37: Tet is the most important ….. in Vietnam. A.celebrate B.celebration C.celebrating D. celebratory