Câu 11: When the policeman came there, the robber … A. had left B. has left C. left D. was left Câu 12: Look! Some children are ………………the buffaloes. A. picking B. Playing C. Driving D. herding Câu 13: It is difficult................English pronunciation. A. to improve B. improve C. improved D. be improved Câu 14: All people who were without homes in the flood were provided with … accommodation. A. short B. temporary C. present D. instant Câu 15: ‘Children in my village often fly their kites in dry rice fields.’ ‘_______’ A. It’s right up my street! B. That’s awesome. C. Exactly what I want. D. How interesting! Câu 16: If the factory ________dumping poison into the lake, all the fish and other aquatic animals will die. A. continues B. to continue C. continued D. will continue Câu 17: Water pollution is the ________________ in the lake has made the fish die. A. contaminating B. contaminate C. contaminated D. contamination Câu 18: Every Saturday, they play tennis ________3p.m and 5p.m. A. from B. between C. up to D.at Câu 19: People in the flooded area have ___________ to a safer place. A. evacuating B. been evacuated C. evacuated D. evacuate Câu 20: Her son was absent from school ____________ his illness last Tuesday. A. because B. although C. because of D. despite of