21. I think that we should produce more things from materials that have been recycled, and less from raw materials, __________ is growing smaller and smaller.
A. their supply B. the supply of which
C. the supply of them D. of which supply
22. It is reported that 39 Vietnamese died in October __________ illegal immigration (移民) into the UK.
A. in harmony with B. in regard to
C. as a consequence of D. in complete agreement with
23. Our country is teaching the young __________ should be true values of life by publicizing the deeds of scientists and real heroes.
A. that B. which C. what D. how
24. While hosting the Academy Awards, Billy Crystal always keeps a toothbrush with him __________ he started practicing stand-up as a child, he told himself jokes in front of the mirror, brushing his teeth.
A. because when B. because that C. when D. as
25. __________ at the 70th Anniversary of the founding of the People’s Republic of China were some former and current leaders of the Party, and tens of thousands of representatives from all walks of life.
A. Presented B. Present C. Presenting D. Being present
