1、A：Do you know when your father will be back?B:I’m sorry.I （三个空格） .2、A：Which is more important,Chinese or English?B:（四个空格）3、A：I’m afraid I can’t go to your birthday party.B:I’m （四个空格） .

Do you know when (meet) you,know,was,when,basketball,invented,do What,when,do,know,you,do,to.fire,there is,a连词成句 When you do fall in love,do you know 同义句转换：Do you know when we should start?Do you know when ( ) ( ) --Since when ________ each other --Oh I can't remember.A.did you know B.do you know C.you know D.have you known Do you know -------- when there is a fire?Do you know -------- when there is a fire?A.how to do B.what to doC.what do D.how do When will the train ( )Sheng zhen,do you know? A.arrive B.arrive in C.get reach和arrive的区别When will the plane( ),do you know?A.arrive B.reach on chritsmas day,children often get a lot of gifts.do you know when christmas is? Do you know when＿?A.leave B.to leave C.leaving D.left Do you know when they______?------_______a winter morning.A.arrive at,On B.arrived,On Do you know( )to havean evening party?A:what B:when C:which D:whose Do you know when to have a picnic?什么意思阿? Do you know when to have a picnic?为什么用to have? Do you know when the plane< >a gets to b reachesc arrived reach Do you know ( ) we think A.when B.why C.what Do you know when it __?A,built B,was built C,has been built