EXERCISE 3I. CHỌN TỪ/ CỤM TỪ THÍCH HỢP (ỨNG VỚI A, B, C, D) ĐỂ HỊAN TH...

23. Rarely _______ permission to return to homes contaminated during a toxic waste accident.A. is people given B. do people given C. people given D. are people given