﹣﹣﹣ Is this book Linda's?
﹣﹣﹣ It ________ be hers. Sandy's name is on the cover.( )
A.can'tB.mustn'tC.needn't
Why does the earth look blue in space?
Because most of the earth's surface ______ by water.( )
A.coversB.is covered
C.coverD.are covered
Look! The model is walking to us.______ nice dress!( )
A.WhatB.What aC.HowD.How a
What were you doing ______ I knocked at the door?
I was sleeping.( )
A.unlessB.onceC.whenD.while
Mount Xiaolei is not far away from here,but it will still take us a few hours ______ there by bike.( )
A.gettingB.to getC.gotD.get
Hi,Sara.Is this ______ English book?
No.______ is on the desk.( )
A.your; MineB.your;MyC.yours;MineD.your;My