1. am/is –was 动词“是”2. are—were 动词“是”3. become—became 变为，变成4. begin—began 开始5. buy—bought 买6. bring—brought 拿来，带来7. beat—beat 敲打，搅拌8. blow—blew 吹，吹动9. break—broke 打破，打碎，折断10. build—built 建筑，建...

时间:2025-02-15 13:38栏目:幼儿/小学教育