—We spent the weekend ____ (航行) to the east coast of Dalian
— Now I must go _______ I shall be late for the train. — Have a good trip. Goodbye.
学习化学时会遇到许多“相等”,下列“相等”的说法中错误的是( )。
超市运来5000千克水果,卖了4吨,还剩多少千克水果?
—September 29th.