问题

28 It is only when agriculture is fully developed___________industry can have abundant materials and markets

A:that
B:when
C:before
D:Until

正确答案是：

同类题型

_______ by the rise of house price, people in big cities live under great pressure.

__________ do you go to the school Music Club —-Twice a week.

This_____ my uncle and those _______ mygrandparents.

20He reads newspapers every day to keep himself_______about what’s going on in the world

The job is open to all,their previous experience