—Because he wished to have his father get him a new one for Christmas.
A:on purpose
B:by accident
C:for the purpose
D:in an accident
如果我们追溯新中国融入世界的历史,那1980年打开的第一扇“窗”则需我们永远铭记。第一扇“窗”指( )
已知f(n)=1+3+5+…+(2n﹣5),且n是大于2的正整数,则f(10)= ____.
—I don't think so. You can ask more ___by using “could” instead of “can” .