When exposed to stress, in ________ form, all of us react both chemically and physically.
A. whichever B. whatever C. however D. whenever
---Why not join us in the game?
--- ________.
A．Sure，please do B．No，you do the same
C．Oh，that’s all right D．OK，coming
Jack, try to learn some relaxation exercises and do them ______ you feel stressed.
A. for every time B. every time C. by the time D. some time
It is _____ world of wonders, ______ world where anything can happen.
A. a; the B. a; a C. the; a D. /; /
A study shows that students living in non-smoking dormitories are less likely to ________ the habit of smoking.
A. pick up B. turn up C. draw up D. make up
As we all know, ______ medical examination will help us find out health problems as early as possible.
A. common B. general C. regular D. normal
