Unlessyouhaveplantedsomething,youwon’tbeabletoknowthepl...

問題詳情：

Unless you have planted something, you won’t be able to know the pleasure of watching the thing you have planted           .

A．grown          B．growing         C．to grow        D．to be grown

【回答】

B

知識點：非謂語動詞

題型：選擇題