各位老师好，下面句子，想问一下“a supremacy they maintained until the piano supplanted them at the end of the eighteenth century”是什么成分？谢谢老师。In the seventeenth century the organ, the clavichord，and the harpsichord became the chief instruments of the keyboard ...
...something to do with those attacks?” she asked coldly. “你在暗指我和那些袭击有关吗？”她冷冷地问道。(《柯林斯英汉双解大词典》)Evidently, it has nothing to do with
social background. 显然，这与社会背景毫无关系。
(《柯林斯英汉双解大词典》...
At a special swimming pool in Los Angeles, children become expert at holding their breath under water even before they can walk.文中这里的expert 为什么不是复数呢，还是说文中的意思其实是“他们变得擅长游泳”，而不是“变成了专家”，所以不用加s，老...
...s saves you money on fuel too.疑问：文章挺简单，但是有几个空和网上答案不太一致。先说最后两个空14和15，我选的14是economical，15是efficient。但是网上答案它俩正好倒过来。另外第一个空可以是improvement吗，网上答案是make a big differen...
She spoke to the boys, who disappeared in another direction. She spoke to the boys, and they disappeared in another direction.She spoke to the boys, disappearing in another direction. 把第三句的现在分词看成做伴随状语可以吗？
...estined
的主语是Washington
还是quick
glance? 迅速的浏览能力能和动词“destined(注定)”搭配吗？如果是quick
glance，此句“in
which his quick glance was formed, destined to range hereafter across the
battle-field, through clouds of smoke and bristling rows of bayonets;”...
Do you notice that music being played at any of those places?我想请问一下，music和play不是属于动宾关系吗？为什么这里用ing呢？是否可以改成Do you notice that music is being played at any of those places?
...One
of the thieves was struck by a heavy statue, but he was too busy helping
himself to diamonds to notice any pain. The raid was all over
in three minutes, for the men scrambled back into the car and
it moved off at a fantastic speed. 关于in+一段时间的用法，理解含义：The
raid was all...
请教专家：Looking
into the drawing room, she saw a scene of confusion over by her writing desk. It was as clear as daylight then that
burglars had forced an entry during her absence. Her first impulse was to
go round all the rooms looking for the
thieves, but then she decided thatat her age it...
So
he held her very closely in his arms as the cab rolled into the big, dull
square in which stood the house which was their destination.It was a big, dull,
brick house, exactly like all the others in its row, but that on the front door
there shone a brass plate on which was engraved in black letter...