题目内容
When you________, use a handkerchief to cover your nose and mouth. This is particularly necessary in public places.
| A.speak | B.whisper | C.sneeze | D.breathe |
C
解析
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题目内容
When you________, use a handkerchief to cover your nose and mouth. This is particularly necessary in public places.
| A.speak | B.whisper | C.sneeze | D.breathe |
C
解析