There are many differences between American English and British English in spelling and pronunciation, especially in _____ English.

Jeremy Lin has scored 166 points in seven games and his fame is sweeping the US, which means that his career has _______.

依次填入下列各句横线处的成语，最恰当的一组是（ ）①大家都没想到平日看似娇弱的女生，在拔河赛中居然能和男生－－－ ，形成激烈的拉锯战。②一个更有争议的问题在于，人民币何时将成为能够与美元－－－ 的储备货币。③韩国对于活字印刷是做过贡献的，但是他们的这些成就与我国古代对活字印刷的贡献相比，是不能－－－ 的。

Why ____ you join the art club You like painting (画画) so much.

will you do during the summerholiday”— “I don’t know, but it’s high time _____something”