摘要：28．If , the polluted air can result in deadly diseases or even death. A．being breathed in B．having been breathed in C．breathed in D．breathing in
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If____________ , the polluted air can result in deadly diseases or even death.
|
A．being breathed in |
B．having been breathed in |
|
C．breathed in |
D．breathing in |
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If____________ , the polluted air can result in deadly diseases or even death.
A．being breathed in B．having been breathed in
C．breathed in D．breathing in
查看习题详情和答案>>
If____________ , the polluted air can result in deadly diseases or even death.
| A．being breathed in | B．having been breathed in |
| C．breathed in | D．breathing in |