一Whichdressdoyoulikebest．Madam?一Sorry，Ican’tdecide

問題詳情：

一Which dress do you like best．Madam?

一Sorry，I can’t decide _______ now．

A．which one to buy                                     B．buy which one

 C．to buy which one                                     D．which I should buy it

【回答】

A

知識點：非謂語動詞

題型：選擇題