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as B. for C. since 4 D. because 22. Someone has taken away my glasses _______ I can39。t see anything. A. from which B. without which C. under which D. with whom 23. _______ is known to all, China will be an _______ and powerful country in 20 or 30 years39。 time. A. That。 advancing B. This。 advanced C. As。 advanced D. It。 advancing 24. Tim must have failed in the exam, _______ I knew from his expression. A. that B. which C. what D. by which 25. I shall never fet those years _______ I lived in the country with the farmers, _______ has a great effect on my life. A. that。 which B. when。 which C. which。 that D. when。 who