题目内容
Many people have been ill from a strange disease these days, _____ we’ve never heard of before.![]()
| A.it | B.that | C.one | D.this |
C
解析
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题目内容
Many people have been ill from a strange disease these days, _____ we’ve never heard of before.![]()
| A.it | B.that | C.one | D.this |
C
解析