第16期答案
1-10 BCAACBBCAB 11-20 ABCACAACBC 21-30 DCDCBABBCA
31-40 CDABBEAFDG 41-50 BDACBCABDC 51-60 BDABBDBCDA
61. began 62. on 63. a 64. actively 65. survival
66. employees 67. to keep 68. practical 69. changing 70. who
短文改错
and - but
each - with each
he reached - they reached
had a fun - had fun
careful - careless
friends - friend
While - When
saves - saved
Obvious - Obviously
doing - done
第17期答案
1-10 BCCABBABBB 11-20 CACBCABABC 21-30 BCADDCCBBA
31-40 DBBADFGDAE 41-50 CBBACDABCB 51-60 CDDCDAACBD
61. completely 62. as 63. surrounded 64. has planted 65. insects
66. who 67. contribution 68. were destroyed 69. a 70.more
短文改错
paid - paid a
surprises - surprise
that in - those in
crowding - crowded
we were - we
take - took
them to - them with
Much - many
hardly - hard
unless - if
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