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...
...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;”...
...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...
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...
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?
Mom, what did the doctor say?He advised me to live ____ the air is fresher. A. in where B. in which C. the place where D. where请问各位老师，这道中考题为什么不能选择A选项，正确答案为D我是能理解的，因为地点状语从句修饰谓语动词live,但是选择A,把...
...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...
...section on signs and symbols. 词典中有用以说明其所采用的标记和符号的专栏。(4) [C]手势，信号：He
nodded as a sign of agreement. 他点头表示同意。He
made a sign to me to sit down. 他向我打了个手势，叫我坐下。She
gave me a thumbs-up sign. 她向我翘起...
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...
IN
consequence of an agreement between the sisters, Elizabeth wrote the next
morning to her mother, to beg that the carriage might be sent for them in the
course of the day. But Mrs. Bennet, who had calculated on her daughters
remaining at Netherfield till the following Tuesday, which would exactly ...