It is normal for kids to feel anxious and not to be able to their studies just before a quiz or an examination. Parents should try their best to help them relax within their power.
A. settle down
B. devote to
C. get down for
D. settle down to
网友回答
A. settle down
B. devote to
C. get down for
(答案→)D. settle down to
解析：这题考查固定短语：settle down to“静下心来做某事”，句意是：考试前孩子感到焦虑不能静下心来学习这很正常，父母应该尽所能帮助他们放松。选D。