问题

It’s more than half a century ________ my grandfatherjoined the Party and became a servant to the people.

A:since
B:that
C:when
D:while

正确答案是：

同类题型

Two P.E teachers are ________ for our school .

Jack said he ____ this Sunday morning.

My father in the photo.

______ role she played in the film! No wonder she has won an Oscar.

The fact that so many people still smoke in public place _______that we may need antionwide campaign to raise awareness of the riks of smoking.