英语句子，无法理解，请指教，谢谢。We especially hope you students could check whether you have overdue books or not and return to them in the separate office 303.无法理解 return to them，请老师指点一下，谢谢。
Good learners will
keep practicing what they have learned，and they are not afraid of making mistakes.这里，what是practicing后的宾语从句吗？will keep practicing是谓语部分吗？
看到这样一个句子：He came across a person he used to knowwhen he lived on the farm. 他偶然碰到了一个他过去住在农场时认识的人。我对句中的 used to know 有些不解。因为 used to 的用法特点是“强调今昔比对”，即“原来……...
When burning occurs, it prevents competition among plant species from progressing to the point where some species exclude others, reducing the overall diversity of the ecosystem.(1)这句话中prevents competition among plant species from progressing to the point是不是倒装？正常语序是不...
He should have been given (should give) more responsibility when he was youger.should have done 表示本该做的没做请问老师，这里能否填 should be given？在他年幼时，他应该被给予更多的责任？为什么？
...引号里面的标点的用法，有一处不明白:He can understand me when I give him orders. For example, I say, "Lucky! Get my book," and he does it at once.我有查资料，关于直接引语，如果引用的是一个完整的句子，那么引号内需要有句号，这里Get my b...
...是真正的绿色食品。” 将该句子翻译成"Therefore,
it does not require fertilisers and pesticides during the growing process, and
although the rice produced is carmine in colour, it is a truly green
food."是否合适？