Unit3Isthisyourpencil?基础导练根据句意，选词填空。1．(This/That)isabook.(This/That)isapenoverthere.2．—Isthatyourschoolbag?—(No/Not),itisn't.It's(she/her)schoolbag.3．—Arethese(yours/his)pencils?—Yes,they're(mine/his)．4．—Isthis(her/hers)picture?—No,it(is/isn't)．—Are(that/those)yourmaps?—Yes,theyare(me/mine)．根据句意，用括号中所给单词的适当形式填空。Excuse(I)，isthisyourruler?2．—Isthisyourpen?—Yes，it’s(my)．3．—Istheorange(you)?—Yes,itis.4．—Arethoseyourpencils?—No，theyare(Bob).5．—Aretheseyour(dictionary)?—No，theyaren't.三、单项填空。()1．____thatyourbaseball?A．WhatB．IsC．What's()2．How____you____“watch”？A．do，spellB．are，spellC．spell，do()3．—What'sthis____English?—It's________Englishdictionary.A．in，aB．on，anC．in，an4．下面哪一个与众不同：____A．baseballB．pencilC．notebook()5．Thisis____“m”andthatis________“u”．a；anB．an；aC．an；an能力提升一、根据句意，用括号中所给单词的适当形式填空。1．—Isthis(you)book?—No，itisn’t(I)．2.(he)penisblack.Whatabout(she)?3．Thisis(he)schoolbag.Is(he)yourfriend?4．—Arethese(he)pencils?—Yes，they're(he)．5．—Arethosebooks(your)?—No，they're(she)．从方框中选择适当的选项补全对话。A．Itisn'tmypen.B．Whatcolorisit?C．Whataboutthewhitejacket?D．Mineisyellow.E．You'rewelcome.A：Hello，Mary！Hereisacup.Isityours?B：1.____A：Black.B：2.____Oh，Isee.Linda'scupisblack.It'shers.A：3.____B：Oh，it'smine.Myjacketiswhite.A：Andthebluepen?B：4.____It'sGina's.A：OK.Thankyou.B：5.____阅读理解。Lost：Mynew(新的)computergameIlostmynewcomputergamethismorning.It'swhite.MynameisDavidMiller.Pleasecall132­4879.Found：AwatchIfoundawatchthisafternoon.It'sblack.Isthatyourwatch？PleasecallMaryat387­0987.Found：AnotebookIsthatyours？It'snew.It'syellow.MynameisJimSmith.MyQQnumberis741721832.Andmyphonenumberis390­8760.Lost：MybaseballIlostmybaseball.It'swhite.Imustfindit.PleasecallTonyBrownat390­8123.()1.If(如果)youfoundabaseball，youcancall___.A．132­4879B．387­0987C．390­8123()2.Ifyoulostanotebook，youcancall___．A．132­4879B．387­0987C．390­8760()3.___lostacomputergame.A．DavidB．MaryC．Jim()4.Maryf