...介词back to中插入了now,还是副词back修饰thinking,now时间状语,to when...作状语呢?back to、up to与down to类似的短语,其中back, up, down的词性能不能分析呢?他们是修饰to...还是修饰前面的动词或非谓语动词呢?
I know nothing about him except that he comes from Beijing.except about属于什么从句? 单独用except可以吗?这个句子except能否用 besides 或者 apart from替换?
...补到底是哪一部分呢?其中的in a parking lot也可以做地点状语。另外,副词out和介词短语in a parking lot at police headquarters之间又是什么关系呢,是修饰关系(副词修饰介词短语)?还是in a parking lot做的是out的表语补足语?如,I'm o...
请问as是代词吗我查了下词典,as是副词,介词,,连词啊为什么可以把as看作关系代词呢?谢谢老师解答
Sleep-producing drug should never be taken except when suggested by a doctor.请问老师:when (it is) suggested by a doctor,这里是省略了it is吗?
...一个晚会。但是下面这个句子却在 once 后接了一个 when 来引导句子:Once when we were going to Paris, I forgot my passport. 有一次我们准备去巴黎,我忘了带护照。请问:这样的 once when 用法对吗?
You should have put the book where you found it. 请问这句话中,have可以去掉吗?它做什么成分呢?
...构是“名词/代词(主格)+补语”。它们都可以在句中作状语,表时间、原因、条件、方式或伴随情况等。介词with的复合结构还可以作定语,而独立主格结构不能;独立主格结构作状语可以表示补充性说明,而with的复合结构不...
February is the month ______is usually the coldest.请问为什么不能用 whose weather?
To my great frustration, the computer I had ____ went wrong again.A. to repair B. repairing C. had repaired D. repaired请问这题为什么选C?谢谢
Do not wait to do the things you know to be done.
he came home 2 hours later than usual, that is about 9 o'clock.请问老师,后面that is about... 为什么前面没连接词and,也没链接副词,感觉很突兀,别扭。如何理解?that 从句做什么成分?