Thereisn’tanydifferencebetweenthetwo.Ireallydon’tknow

問題詳情：

There isn’t any difference between the two. I really don’t know _______.

A. where to choose   B. which to choose        C. to choose what       D. to choose which

【回答】

B  考查疑問詞+不定式。句意：這兩個之間沒有什麼不同，我真不知道該選擇哪一個。

知識點：非謂語動詞

題型：選擇題