Let's all work together to _________ the truth about thi

Let's all work together to _________ the truth about this mystery that is so important to mankind.
A.go through B.set down C.join in D.dig out
We chose the hotel because it is located within a(n) __________ distance of the beach.
A.reliable B.reasonable C.enjoyable D.valuable
I first met Harry in high school and we __________ good fiends ever since.
A.are B.were C.will be D.have been
The man fell from ________ power and his family was left in ________ ruins.
A.the;the B.不填；不填 C.the;不填 D.不填;the
The fashionable lady is carrying a bag _________ with shopping.
A.to brust B.brusting C.having been burst D.being burst