anhui was appointed__________vice-govenorof Anhui province in________place of the former, Wen Haiying

This drug is less likely to cause side effects when ________ late in the day.

Mary enjoys home made food, so she seldom, eats out.

(2013·浙江高考)Eye doctors recommend that a child’s first eye exam ________ at the age of six months old.

My mother bought a new skirt for me at a ________ yesterday.[ ]