1,He has a good k_ of chinese history.2,The shop is on the_side of the rode.1,He has a good k_ _of chinese history.2,The shop is on the__side of the rode.

问题描述:

1,He has a good k_ of chinese history.2,The shop is on the_side of the rode.
1,He has a good k_ _of chinese history.2,The shop is on the__side of the rode.

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