读到上海高中英语练习册上一篇完形填空文章，是这样写的：Parents and children not only impact one another's food choices. The care and love parents demostrate by purchasing or preparing food for their children is evident; by contrast, children use food to express care and hel...
我在站内搜索之前老师的解答，但是还有点不明白。比如have been doing是接动态动词，而have always done接静态动词。那有没有have always been doing这样表达形式呢，它表达的意思和have been doing / have always done有什么不同？该接什么类型的...
In that case you must realise that while you can still help them in material ways, as by making them an allowance or knitting them jumpers, you must not expect that they will enjoy your company. as 是副词，列如的意思？by是用什么方式的意思？
... concrete and for steel H pile supported sewer pipe bridge supports.at the time this request was made we had expected that the steel H piles would be driven but subsequent design work has shown that driving is not possible in most of the bridge pile locations due to the marl being close to the surfa...