题目内容
Nothing but some ancient Chinese coins ________ in the sunken ship since they began the exploration.
were found
has been found
had been found
have been found
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题目内容
Nothing but some ancient Chinese coins ________ in the sunken ship since they began the exploration.
were found
has been found
had been found
have been found
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||