18. A. thus B. also
C. so
D. such
D. happened
19. A. changed B. disappeared
C. lost
20. A. thinking for myself C. growing up
完形填空练习（三十八）
B. becoming cleverer
D. learning from my experience
1~5 DABDC
6~10 CBCBA
11~15 CBDAC 16~20 DBCAC
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