isknowntoall,paperwasfirstmade

_____ is known to all, paper was first made in China.

A．It

B．That

C．Which

D．As

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A．How

B．What

C．Where

D．That

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---That’s a good idea. We________several of her friends.

A．invite

B．have invited

C．are inviting

D．will invite

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A．Keeping

B．To keep

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A．past

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A．will be requested

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