—Who's the man ________ black?—He is Mr．White．（）

—How much will you be paid? —Judy，l don-t do it for money，but for experience．______，it’s voluntary(志愿的) work．（）

A．However 
B．Besides 
C．Finally 
D．Possibly

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The book is very interesting． It is well worth_______．（）

A． reading 
B． to read 
C． being read 
D．to be read

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