第20期答案
1-10 BCBCBCAACA 11-20 CABACACBBA 21-30 CCBBDCDABD
31-40 CCBDDBCAFD 41-50 BDCADBACBC 51-60 ADCDBACBAD
61. begging 62. an 63. written 64. to give
65. di fferent 66. was filled 67. what
68. choice 69. on 70. truly
短文改错
have - have been
politely - polite
become - becoming
by the bike - by bike
our bike - our bikes
tells - told
Surprising - Surprisingly
by my - from my
Because - though /Though
with them - with me
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