Theboysliketolistentomusicwhentheydo______(they)homework.
Lookoutofthewindow.(改为否定句)
______________________________
About________percentoftheearth'ssurfaceiscoveredwithwater
DaMingcomesfromChina，heis_____(China).
()1.Couldyouhelpme，please?A.OK.
()2.Thanksalot.B.You'rewelcome.
()3.Let'sputthebooksinthebox.C.It'sMonday.
()4.Canyoucarryit?D.No，it'sfull.
()5.Who'sondutytoday?E.lam.
()6.Isitempty?F.No，it'slight.
()7.Whatdayisittoday?G.Certainly.
()8.Isthatbagheavy?H.No.LiLeiisn'there..
()9.Areweallheretoday?I.No，thanks.
()10.Letmehelpyou.J.Yes，Ican.
