水绵 颤藻水绵的叶绿体形状?颤藻有无叶绿体?是自养还是异样?类似于光合细菌吗?

你能帮帮他们吗

• the dog were made ___ (run )as fast as they could .

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精彩回答

• He was charged with _______ ( break) into several computer systems over the last year.

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• My daughter ____ (finish) her homework before I came back home.

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• would you please tell me_ the nearest post office is?是宾从吗？

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