---HowdoesLiLingimproveherspeakingskills?      ---

問題詳情：

---How does Li Ling improve her speaking skills?

       --- _______ joining an English club.

       A. With            B. By           C. For          D. At

【回答】

B

知識點：介詞和介詞短語

題型：選擇題