问题

Not until he retired from teaching three years ago ____ having a holiday abroad.

A:he had considered
B:had he considered
C:he considered
D:did he consider

正确答案是：

同类题型

63 Children can usually dress ______ bythe age of five

Whether or not we can stay healthy ________ our eating habits.

Before the 2008 Olympic Games took place, the young the old took an active part in learning English in Beijing.

don’t _____ of your sending your daughter to Britain to study，because she is too young.

It’s so noisy here that I can’t hear_______. Could you please say it again