Walgren says there could still be questions unanswered and they only need to answer 3 questions.

Walgren说仍然会有待解的问题，而他们只需要回答三个问题。

youdao

Walgren says there could still be questions unanswered and they only need to answer 3 questions.

Walgren说仍然会有待解的问题，而他们只需要回答三个问题。

youdao