问题补充:
The parents have devoted themselves to bringing up their children and now it is time for the children, , to show their devotion to their parents.
A. in their turn
B. in their return
C. in return
D. in their turns
答案:
(答案→)A. in their turn
B. in their return
C. in return
D. in their turns
解析:考查固定搭配。In reurn作为回报;in turn轮流,反过来;句意:父母亲把所有的时间都花在了抚养孩子,现在反过来轮到孩子们表现出对父母的关心和爱护了。故A正确。