高手幫忙：That was written in 1946, since______the education system has undergone great changes.
高手幫忙：That was written in 1946, since______the education system has undergone great changes.
A then B when C there D which 選B.可我不明白為什么不選A呢,
since then 不是加現(xiàn)在完成時(shí)嗎? 比如 I visited China in 1900. since then, china has undergone great changes. 不是很正常嗎?給我詳細(xì)說說吧,我都失望了,那么多人都覺得不屑的問題我咋就不懂呢.
A then B when C there D which 選B.可我不明白為什么不選A呢,
since then 不是加現(xiàn)在完成時(shí)嗎? 比如 I visited China in 1900. since then, china has undergone great changes. 不是很正常嗎?給我詳細(xì)說說吧,我都失望了,那么多人都覺得不屑的問題我咋就不懂呢.
英語人氣：668 ℃時(shí)間：2020-05-05 16:28:10
優(yōu)質(zhì)解答
since在這里是自從的意思 后跟的句子缺時(shí)間狀語 所以用whenThat was written in 1946, since______the education system has undergone great changes.考的是定語從句I visited China in 1900. since then, china ha...
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