他最近的表现有很大进步，对吧？
There was a noticeable improvement in his recent performance, wasn't there?
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there英 /ðeə/|美 /ðɛr/|英 /ðeə/|美 /ðɛr/
was英 /wɒz/|美 /wɑz/
wasn't英 /ˈwɒznt/|美 /ˈwɑznt/
解释
过去式肯定陈述句 there was 后接否定附加疑问 wasn't there，标签用过去式助动词与主句时态一致。
There was a noticeable improvement in his recent performance, wasn't there?
过去式肯定陈述句 there was 后接否定附加疑问 wasn't there，标签用过去式助动词与主句时态一致。