Itisbadmannerstoaninvitationwi

It is bad manners to ________an invitation without a reason.

A．break down

B．settle down

C．turn down

D．calm down

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A．to breathe	B．to be breathed
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A．strike

B．beat

C．shock

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---It was too boring , indeed ,____lecture for me.

A．the ; /

B．/ ; the

C．a; / the

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