问题

Little _______ that the region was rich in natural resources about four decades ago.

A:we did know
B:knew we
C:did we know
D:we knew;

正确答案是：

同类题型

They must have been here the day before yesterday,＿＿＿＿?

Naomi ran a shop in Madrona for three years she decided to move into a better place nearby

you read, you’ll be.

you study, gradesyou will get .

I don’t know when my son ________ back. When he_________ back, I’ll call you.