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We can not figure out quite a number of insects,birds,and animals are dying out. A.that B.as C.why D.when 【查看更多】

 

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We can not figure out ________ quite a number of insects, birds, and animals are dying out．

[　　]

A．that

B．as

C．why

D．when

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We can not figure out　　 quite a number of insects,birds,and animals are dying out.

A、that　　　 B、as　　　 C、why　　　　 D、when

 

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