问题

Not until recently _______the development of tourist-related activities in the rural areas.

A:they had encouraged
B:had they encouraged
C:did they encourage
D:they encouraged;

正确答案是：

同类题型

I’ll take part in the Speaking Competition next week. I’m so nervous that I’m afraid I can’t do very well. — _____.

Most boys __________ guns to dolls while most girls__________ have dolls than guns.

I’d like to have a picnic tomorrow.— We’re too busy these days!

I didn’t see you at the meeting yesterday. Why— I _____ for an important telephone call at that moment.

下列各句中．没有语病的一句是（）