Your help made __________ for me to work out this problem.
A. it easily B. it easy
C. that easily D. that easy
I don’t think _______ Maths is easy.
A. that B. if C. whether D. why
Thanks for _________ the new chairperson.
A. recommend me as B. recommending me as
C. recommend me to D. recommending me for
He couldn’t hide his __________ at my success and said bad words about it.
A. envy B. wisdom C. purity D. power
Are you going to __________ this challenge?（挑战）
A. take up B. take down
C. take off D. take on
You _______ pay too much attention to your reading skills, as it is so important.
A. can’t B. shouldn’t
C. mustn’t D. needn’t
