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

42. Perhaps the others are looking for us now.A. The others must be looking for us now.B. The others might be looking for us now.C. The others should be looking for us now.D. The others have to be looking for us now.