谢谢牙仙一贯的的勤于动脑!!补课中有例句。
谢谢牙仙的一贯的勤于动脑!
补课中有例句:
(1) “have to, had better, used to”要用下列方式反问:
They used to smoke, didn't / usedn't they?
所以,你这句话可以是:
He used to be a sailor, didn't/usedn't he?
谢谢牙仙的一贯的勤于动脑!
补课中有例句:
(1) “have to, had better, used to”要用下列方式反问:
They used to smoke, didn't / usedn't they?
所以,你这句话可以是:
He used to be a sailor, didn't/usedn't he?