选择填空(从题目所给的选项中，选出可以填入空白处的最佳答案。)(B)1.Mycousinismy______.【详解】cousin.n.堂（表）兄弟（姐妹）.根据常识判断答案。A)mother'sbrotherB)uncle'schildC)father'ssisterD)brother'ssister(A)2.Look!Theseare______.【详解】these作主语时，其所指内容应用复数。A)pensB)pencilcaseC)rulerD)anapple(C)3.______theseyourbrothers?【详解】these作主语be动词应用are.A)IsB)AmC)AreD)Be(A)4.Itisn't______watch.Ileftmineathome.【详解】形容词性物主代词作定语修饰watch.A)myB)meC)ID)Myself(B)5.Myauntismyfather's______.【详解】根据常识可知姑姑是父亲的姐姐或妹妹。A)brotherB)sisterC)motherD)uncle(B)6.ThisisMaryandthatisKate.________my________.【详解】句意：他们是我的朋友们。可知主语、be动词及表语均为复数。A)She's,friendB)They're,friendsC)They're,friendD)She's,friends(D)7.Heismygrandparents'son,butheisn'tmyfather.Heismy______.【详解】从爷爷的儿子，但不是父亲，可知他是我的叔叔。A)fatherB)sonC)grandfatherD)uncle(C)8.Timis______friend._______isanEnglishboy.【详解】形容词性物主代词作定语修饰friend.人称代词作主语应用主格形式。A)I,HisB)I,HeC)my,HeD)my,His(B)9.------Whoisthatgirl?------______________________.【详解】问：那个女孩是谁？答：她是我姐姐。A)SheishereB)SheismysisterC)SheisatschoolD)Sheisagirl(B)10.YourEnglishisverygood.---______.【详解】对于别人的夸奖，我们应该表示感谢。A)Yes,itisB)ThankyouC)I'msorryD)Itisn't(C)11.Thanks________yourlastletter.【详解】thanksfor意为对……表示感谢。A)ofB)fromC)forD)to(A)12.Look!Theseare______.【详解】these作主语时，其所指内容表复数，表语应相应用复数。A)pensB)pencilcaseC)rulerD)anapple(C)13.______theseyourbrothers?【详解】these作主语be动词应用are.A)IsB)AmC)AreD)Be(A)14.Itisn't______watch.Ileftmineathome.【详解】形容词性物主代词作定语修饰watch.A)myB)meC)ID)myself(B)15.Myauntismyfather's______.【详解】根据常识可知姑姑是父亲的姐姐或妹妹。A)brotherB)sisterC)motherD)uncle