Hard work and lack of sleep have _____ her beauty and youth in recent years.
A. worn out B. tried out
C. made out D. sent out
All the materials have been posted to you. I’m looking forward to the chance to meet you __________ to discuss the present situation of our company.
A．in peaceB．in return
C．in troubleD．in person
Some pills many people take to achieve or maintain their desired weight will lower their life expectancy_____ they contain something harmful．
A．so that B．in that
C．even if D．as if
We shall not start the project until it __________ by the committee.
A. will be approved B. approves
C. has been approved D. is to approve
Bears ______ fat stores throughout the summer and fall to have energy enough to last them through their winter sleep.
A．pack up B．build up C．bring up D．take up
With many cities in China dreadfully blanketed by thick haze, the environmental problem is _____ Chinese people concern most nowadays.
A. what B. which C. where D. when
