Zheng He started to sail in 1045 to “Western Seas”. In the following 28 years, he made _______ successful travels.
___ in experience, she didn’t manage to pass the interview.
Stress can be extremely damaging to your health. Exercise, __________, can reduce its effects.
In the meantime, the question facing business is whether such research is ______ the costs.
Lily would rather I _______ her at the airport yesterday, but I was then busy with a meeting.
I insisted _______ to see a doctor, but he insisted nothing _______ wrong with him.