问题

I can hardly believe my eyes. Is that you, Lucy—Yes. It has been almost 20 years ______ we were together.

A:since
B:before
C:after
D:until;

正确答案是：

同类题型

下列各句没有语病的一项的是（）

I think walking is________ our health.

The parcel was a whole week late How I wish Iairmail instead

I usually spend two hours ______ books every day.

Social and cultural activities for senior citizens ______ over the past several years.