单项选择题
What parents say and do in daily life usually have a(n)（）influence on their child.
A.practicalB.avoidableC.beneficialD.permanent
单项选择题 If you don’t work hard，it will be of no（）for others to help you.
单项选择题 The little boy came riding full speed down the motorway on his bicycle，（）it was!
单项选择题 It is helpful to put children in a situation（）they can see themselves differently.
