---It’s said that scientists are working hard to ________ a way to deal with H7N9 avian influenza(H7N9禽流感)
---Really? That’s great!
| A．caught up with | B．come up with |
| C．agreed with | D．compared with |
---It’s said that scientists are working hard to ________ a way to deal with H7N9 avian influenza(H7N9禽流感)
---Really? That’s great!
| A．caught up with | B．come up with |
| C．agreed with | D．compared with |
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