there is/are,there isn't/aren't,there wes/were,there wasn't/weren't/
there is/are,there isn't/aren't,there wes/were,there wasn't/weren't/
英語人氣：695 ℃時間：2019-10-11 21:24:39
優(yōu)質(zhì)解答
有（單數(shù)）/有（復(fù)數(shù)）；沒有（單數(shù)）/沒有（復(fù)數(shù)）；曾經(jīng)有（單數(shù)）/曾經(jīng)有（復(fù)數(shù)）；曾經(jīng)沒有（單數(shù)）/曾經(jīng)沒有（復(fù)數(shù)）.
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