If headaches only Occur at night，lack of fresh air is often the cause．
A. start
B. begin
C. happen
D. visit
查看答案
you must shine your shoes
A. polish
B. clear
C. wash
D. mend
It is virtually impossible to persuade him to apply for the job.
The side effects of taking ZYBAN．Often go away_____________
Many people leave their hearing problemuntreated because
A. it isnot serious．
B. Crystal Ear is not yet available．
C. it isnot easy to have it treated．
D. they don’t want to look Old．
微信支付 
支付宝支付