Ifyouaretoo________ofyourchildren,theywillneverlearntodealwithdifficultiesinlife.
Thevehiclewastravelingatspeeds________90milesperhour.
ThelongestriverinCanadais________.
句子寫作：Thehouse____isstillstanding.
TheoriginoftheAmericanpartysystemcanbetracedto________.
