Before the 20th century, the measuring of the depth of the sea was

• A、inaccurate

• B、unknown

• C、uninteresting

• D、impossible

Mr. Martin wants to return home in two years.

• A、True

• B、False

• C、Not Given

内容包括以下三点:

●出游地点、时间和交通方式:

●选择这一目的地的理由:

●旅行的感想或收获。

请以Li Ke署名。