问题

It was announced that only when the terrible diseasewas under control ________ to return to their homes

A:don’t recognize; hadn’t called
B:didn’t recognize; didn’t call
C:haven’t recognized; didn’t call
D:didn’t recognize; hadn’t called

正确答案是：

同类题型

Not until he failed in the last examination _________ he should have spent more time on study.

I wasn’t blaming anyone; I ________ said errors like this could be avoided [ ]

It is what parents say and do thatreally matters in children’s character training— ___________

Did they clean the house yesterday—_______. They cleaned it at five.

Thanks to the 2014 Winter Olympics, Sochi is well-known,_______