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A. How　　　　　　　　　　    B. What　　　　　　　　　　   C. What a　　　　　　　　　　 D. How a

—________ hard work it is!

—Yes, but he seems _____ to do it.

A. What a , happy    B. What , happy    C. What a , happily    D. How , happy

—________ hard work it is!

—Yes, but he seems _____ to do it.

A．What a , happy     B．What , happy       C．What a , happily     D．How , happy

____________hard work it is today!  

 _______hard work it is to plant so many trees around the lake!

        A. What a      B. What       C. What an     D. How

-- _________ it is!

--And we must try our best to finish it in two weeks.

A. What an easy work                             B. How easy

C. What hard work                                D. How hard--working