-Mr. Smith, how can I get a good grade in the monthly test?-You’d better ______all the questions before you start to answer them.
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.
The book is________ interesting________ I can’t even drop it for a minute.