Unit 4There are seven days in a week.Lesson 19 同步练习一、看图,写出下列单词。1. 2.4. 3.二、请你选出正确的一项。()1._ play a chain game!ALet is Blets CLets Dlet is()2.What _ they?Aam Bis Care Ddo三、看图,选择正确的答案。()1.Today is _AMonday BWednesday CSunday()2.Tomorrow (明天) is _AThursday BTuesday CSunday()3._ is the last day (最后一天)in a week.AMonday BSaturday CSunday()4.Are there four days in a week?_AYes. BNo. COK.四、连词成句。1days,many,how,in,week,there,are,a( ? )2a,in,week,seven,are,days,there ( .)答案一、1.week2.day3.Sunday4.sun二、1.C2.C三、1.B2.A3.B4.B四、1.How many days are there in a week?2There are seven days in a week.