题目：The government is adopting strict ＿＿＿＿＿＿＿＿＿ to check the quality of vehicles to ＿＿＿＿＿＿＿＿＿ these cars are not contributing to pollution.
- A. manners, ensure
- B. measures, surely
- C. measures, ensure
- D. manners, surely
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