And last year Khan Academy and the College Board unveiled a free course they say boosts SAT scores for students at all income levels.这里的黑体部分是插入语吗,如果是为什么没有逗号呢?如果不是那是什么成分?
1. What do you use your computer do?2. What do you use your computer to do?3. What do you use your computer for?请问下大家三组句子,1算是错误的吗?2和3都正确吗?如果答句是:I use it to do homework. 那么2和3都可以选吗?
... the newspaper,the whole country can be effectively reached and the best of the job-seekers selected.翻译:通过在报纸上刊登广告,可以有效地到达全国范围,选择最佳的求职者。请问这个句子中在job-seekers和selected之间是不是省略了can be?
我写了这样一个句子:The exhibition will be held in the City Museum, located in the north of the city.我们老师说,最好在 located 前面加上 which is。即这里宜用非限制性的定语从句,而不宜用过去分词。请问这里两者啥区别?谢谢专家!
If left unchecked, they will impede the healthy development of the entire society.如果不加以控制,虚假承诺则会影响整个社会的健康发展。请问上面句子中left为什么是过去式呢?可以是If leave unchecked吗?
But it was her fierce defense of women's rights that defines how she is being remembered.请教老师:1)这是强调句,还是定语从句呢?2)define在这里应该翻译为什么意思呢?3) ...she is being remembered. 为什么这里有一个being? 记得好像有这样...