6. ― What was the party like ?

   ― Wonderful . It's years           I enjoyed myself so much .

     A. after           B. before        C. where        D. since

〖答案与简析〗选D。测试it 用在某固定短语或句型中。如believe it or not (信不信由你）, take it easy (别着急，慢慢来）， it is (has been )…since…(某人干某事经过了多长一段时间），It seems that …(好象)，It happens that …(碰巧) ，It looks as if … （好象），It is one's turn to do …(该轮到谁干……) 等。又如：

Take it          . Everything will be fine in a day or two .

     A. easy            B. quiet          C. calm          D. light

答案是A 。