摘要： When a tomb is opened, fresh air disturbs the viruses, which, if in, can result in illness or even death. A. having breathed B. to breathe C. breathed D. breathing
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—I do believe the scientific explanation that when a tomb is opened, the fresh air disturbs the viruses inside it. What about you?
—So do I. If _______ in, the disturbed viruses may cause illness or even death.
A. breathing B. breathed C. being breathed D. to breathe
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—I do believe the scientific explanation that when a tomb is opened, the fresh air disturbs the viruses inside it. What about you?
—So do I. If _______ in, the disturbed viruses may cause illness or even death.
A. breathing B. breathed C. being breathed D. to breathe
查看习题详情和答案>>When a tomb is opened, fresh air disturbs the viruses. If _____, they can result in illness or even death.
[ ]
A. breathe in
B. to be breathed in
C. breathing in
D. breathed in
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B. to be breathed in
C. breathing in
D. breathed in