水果店有52筐苹果，每筐重40千克，已经卖出22筐，还剩多少千克？
（52-22）×40
=30×40，
=1200（千克）．
答：还剩1200千克．
–Good news. We will have a ______ holiday.
--I’ve heard of it. But it’s coming in_______.
A．three days, here days’ time
B．three days’, three days’
C．three-day, three days
D．three days, three-day time
荷兰是个美丽的国度，一提起荷兰人们首先想到的就是遍地的郁金香和那些古老的风车，除此之外什么与郁金香和风车一起被称为荷兰的象征？
