题文
A lot of fish in the river _______ recently, because there is lots of pollution.
| A．has died | B．has been dead |
| C．have been dead | D．have died |
A lot of fish in the river _______ recently, because there is lots of pollution.
| A．has died | B．has been dead |
| C．have been dead | D．have died |
试题篮
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