【推荐1】句型：It＋be＋过去分词＋that...
据估计，到2050年，13亿人将把英语作为他们的第一或第二语言。
______________________________1.3 billion people will use English as their first or second language by 2050.

【推荐2】We were only able to make a rough ________ (估计) of how much fuel would be required. (根据汉语提示单词拼写)

【推荐3】句型公式：it is estimated that... 据估计……
教材原句：Today, ________about 60 percent of domestic rice consumption in China is comprised of crops generated from Yuan's hybrid strains，and his strains have allowed China's farmers to produce around 200 million tons of rice per year.
据估算，现在中国国内消费的稻米有大约60%来自袁隆平的杂交水稻品种形成的作物，这些品种(形成的作物)让中国农民每年能够生产出大约两亿吨稻米。

【推荐1】Despite all this,   his adventures on this ship would lead to __________________________(最重要的科学发现之一)of all time.(根据汉语提示完成句子)

【推荐2】看来似乎水是罪魁祸首。
___ ___ ___ the water was to blame.

【推荐3】你可以相信她不会迟到。
You may ________she won’t be late.