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_________ useful information it is!
A. How B. How a C. What D. What a
______ useful information it is!
A. What B. What a C. How a D. How
information it is!
A．How a useful B．How useful C．What a useful D．What useful
________ useful information it is! How did you get it?
A．How
B．What
C．What an
D．What a