20. The Pyramid, which　 ________ thousands of years ago,　 ______ Egypt.

A. dates from; is belonging to　　　 B. dates back to; belongs to

C. dated from; is belonged to　　　 D. dated back to; belongs to

19. Many peasants in the north go to the south _____ much money.

　 A. make an attempt at making　　　 B. in attempts to make　　

C. making an attempt to making　　 D. attempt to make