Jack's birthday is April 6th.一般疑问句并作否定回答一般疑问句：Is Jack's birthday April 6th? 把系动词is 提前
No,it isn't.A:Excuseme.___E_B:Sorry,Idon't.A:SoImustgotothestorenearourschool.B:Ithinkthestoreisclosedatthistimeofday.A:___G_B:Look,itsays"closed".A:Oh,dear! You'rerig...
