---- You should be _______ careful when you take the chemistry exam.---- I agree. In this way, I will make _______ mistakes.
I am not sure _______the Chinese football team has won in the 16th Asian Cup or not.
The lady spoke loudly in public so as to__________ others’ attention.
When I got to the cinema, the film________ for 15 minutes.
We should try to prevent air pollution__________.
---He didn’t catch the train, did he? -- _________, because he was caught in the rain.