Therewillbeabowandarrowcompetition

問題詳情：

 There will be a bow and arrow competition _________ to retell ________ the Plains Indians used to    hunt for food.   

    A. designed; what           B. designing; how          C. designing; what              D. designed; how

【回答】

D

知識點：非謂語動詞

題型：選擇題