The fear of failing exams can cause you to panic and stress can be a（n）＿＿＿＿to your performance at school．
A. solution B. invitation C. block D. access
Heroes are those who，given a choice between doing the right thing at great personal cost or the wrong thing for great personal benefit，＿＿＿＿the former.
A. choose B.chosen C. choosing D. to choose
Her last book sold five million copies and we hope this one will be＿＿＿＿popular.
A. so B. as C. such D. much
— I need to advertise for a roommate for next term.
—＿＿＿＿？Alicia said she's interested.
A. Why bother B. What for C. Since when D. How come
Being a doctor is one of the few professions＿＿＿＿if you make a mistake，it can mean somebody's life．
A. that B. which C. when D. where
The majority of employers are planning to cut down on wages＿＿＿＿the economic crisis.
A. by means of B. in defence of
C. in reaction to D. with regard to
