Like all ecological systems, a forest is made up of a living
environment and a nonliving environment.
请问各位老师 forest 和 living environment 这些都是抽象名词表示泛指,为什么前面要加不定冠词?可以去掉吗?
...e while I was out."while I was out"是过去时间状语,为何可以和完成时连用呢?这里的"while I was out"难道是指从过去外出一直持续到我现在回来的讲话时刻吗?(2)I haven't studied English when I was at school."when I was at sch...
As an example, if we are predicting money, what does it mean that our prediction is $0.30 squared inaccurate?请问各位老师,句中“$0.30 squared inaccurate”在句子中做什么成分,如果inaccurate是表语,squared作为非谓语可以充当副词修饰形容词吗?谢谢
请教各位老师:复合形容词15-year-old可以单独作主语吗?下面两句话中,复合形容词分别由a和the修饰,两句话都正确吗?A 15-year-old sometimes forgets things, but that doesn’t mean his
or her memory is getting worse.The 10-year-old gets up half an hour earli...