Youshoulddothethingsworth

問題詳情：

 You should do the things worth ____, and if you have difficulty _____ them, you can turn to your family.

   A. doing; doing     B. doing; to do   C. being done; to do   D. being done; doing

【回答】

A

知識點：非謂語動詞

題型：選擇題