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Hi, there
Which sentence is right?
“Were tigers ever an endangered species?”
or
“Have tigers ever been an endangered species?”
or
“Were tigers once an endangered species?”
Thank you!!
2020年12月5日 17:59
回答 · 10
2
The second one is best: have tigers ever been an endangered species? However you will hear an English speaker use both.
2020年12月5日
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