Make sure you _____ before exercise, otherwise you may injure yourself.
举一反三
- Before you start, make sure you have a clear idea of why you are starting a company.
- Before you travel to America, make sure your passport is( ).
- Thirdly, you can make a__9___with goals and___10__deadlines to stop yourself from procrastinating so that you can be sure you’ll___11___them.
- You should do exercise little _________ little. Otherwise, new problems will turn _______. Also, before doing exercise, some warm-_________ is necessary.
- 在顶升飞机之前，确保飞机的稳定性。 A: Make sure that the aircraft is stable before you lift it with jacks. B: Make sure that the aircraft settles before you lift it with jacks. C: Before jacking up aircraft make sure that aircraft stability is ensured. D: Before jacking up aircraft make sure that aircraft stabilization is ensured.