听录音，选择你听到的句子。
( ) 1. A. Wheredoestheraincomefrom?
B. Wheredoesthecloudcomefrom?
( ) 2.A. Itcomesfromtheclouds.
B.Itcomesfromthevapour.
( ) 3.A. Howcanthewaterbecomevapour?
B. Howdoyoudothat?
( ) 4.A. —Whatshouldyoudothen?
—Waterit.
B. —Whatshouldyoudothen?
—Putitinthesun.
( ) 5.A.—Whereareyougoing?
—I'mgoingtothesky.
B. —Whereareyougoing?
—I'mgoingtoschool.