登录 控制面板 复习 主题词汇 单词进阶

Progress Level 43

0/97

Huck Finn and ___ traveled down the Mississippi River on a flatboat.

Press Enter to check answer. Press Ctrl+Enter to play audio. For Firefox browser, you need a special setting.

Please try again.

Success often comes to those who refuse to give up in the face of adversity.

Congratulations!

You have completed this section.

Progress Level 44