扫描二维码，直接登录
题库 / Prep2007E1-SC-3
Less than 35 years after the release of African honeybees outside Sao Paulo, Brazil, their descendants, popularly known as killer bees, had migrated as far north as southern Texas.
Less than 35 years after the release of African honeybees outside Sao Paulo, Brazil,
In less than 35 years since releasing African honeybees outside Sao Paulo, Brazil,
In less than the 35 years since African honeybees had been released outside Sao Paulo, Brazil,
It took less than 35 years from the release of African honeybees outside Sao Paulo, Brazil, when
It took less than the 35 years after the time that African honeybees were released outside Sao Paulo, Brazil, and then
还没有题目讲解（毕出老师会陆续发布对官方考题的解读，请保持关注）。
如：Since 1990 the global economy has grown more than it did during the 10,000 years from the beginning of agriculture to 1950.表示从农业的起源到1990就是1000年时间，用did。
in the 25 years since jurgen schult's world record discus throw, very few throwers have even come close to equaling his mark.表示从JS打破世界纪录到现在，就是25年时间，用have。
登录 或 注册 后可以参加讨论