You’d better the instructions so that the children can understand them.
A. simplify
B. decline
C. concentraate
D. reduce
网友回答
(答案→)A. simplify
B. decline
C. concentraate
D. reduce
解析：考查动词：A. simplify简化，B. decline 下降，C. concentraate专注，集中，D. reduce减少，句意：你最好把说明简化，这样孩子能够理解。选A。