Now that you have a job, you must exert (努力) yourself in ______ you do at work.
| A．however | B．no matter what | C．no matter how | D．whatever |
He is going into hospital to have a small __________ her knee.
| A．operate on | B．operation for | C．operation to | D．operation on |
___ in experience, she didn’t manage to pass the interview.
| A．Lack | B．Lack of | C．For lack of | D．Lacking |
Stress can be extremely damaging to your health. Exercise, __________, can reduce its effects.
| A．at the same time | B．while | C．though | D．meanwhile |
In the meantime, the question facing business is whether such research is ______ the costs.
| A．worth | B．worth of | C．worthy | D．worthwhile |
Lily would rather I _______ her at the airport yesterday, but I was then busy with a meeting.
| A．would meet | B．met | C．had met | D．have met |