In （）, the whole tangled saga is a classic case of serious allegations falling through the cracks between federal, state and local jurisdictions and between state lines

单项选择题I must（）you farewell right now, but on some future occasion, I hope to see you again

A．relay
B．bid
C．send
D．deliver

单项选择题I am grateful for your（）invitation, and I'd like to accept your offer with pleasure

A．delighted
B．innocent
C．gracious
D．prestigious