While building a tunnel through the mountain, ________. A: an underground lake was discovered B: there was an underground lake discovered C: a lake was discovered underground D: the workers discovered an underground lake
While building a tunnel through the mountain, ________. A: an underground lake was discovered B: there was an underground lake discovered C: a lake was discovered underground D: the workers discovered an underground lake
以下全指交通工具的是哪一组？ A: coach， train， underground， characte B: train， bicycle， underground， ship C: motorcycle, underground, plane, kind D: underground, plane, train, friendly
以下全指交通工具的是哪一组？ A: coach， train， underground， characte B: train， bicycle， underground， ship C: motorcycle, underground, plane, kind D: underground, plane, train, friendly
They will take _____ to the museum. A: a taxi B: the underground
They will take _____ to the museum. A: a taxi B: the underground
The Underground Railroad is the real subway established in the US?
The Underground Railroad is the real subway established in the US?
n. [c] (bre underground) 地铁 : ______
n. [c] (bre underground) 地铁 : ______
Cost of pipeline is very different of underground conditions. Is it right? （）
Cost of pipeline is very different of underground conditions. Is it right? （）
The release of chemicals from underground storage would pollute
The release of chemicals from underground storage would pollute
What is mentioned as a consequence of extracting water from deep underground?
What is mentioned as a consequence of extracting water from deep underground?
Which one of the following statements about the Underground Railroad is NOT correct?
Which one of the following statements about the Underground Railroad is NOT correct?
What is forbidden when people take the underground train?They are not allowed to ____.
What is forbidden when people take the underground train?They are not allowed to ____.