问题

No one knows when the house was built , but it must be very old.

A:suddenly
B:gradually
C:exactly
D:recently;

正确答案是：

同类题型

下列文化常识的解释不正确的是（）

ecame friends again that dayUntilthen,they_____to each other for nearly two years

I will go to Dalian with my parents next month. — .

Where_______ our volleyball Do you know一I think it’s the bed.

Shall I give you a ride as you live so far away—-Thank you._________