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

________ the football match will be played depends on the weather.

Do you have a minute? I’ve got something to tell you—- OK, __________ you make it short

for the free tickets,I would not have gone to the film so often.

I would like to buy a house which has a(n)____over the sea.

It won’t be long before we put our plan into final form. you want to make any change, please keep me informed before tomorrow.