At first glance, it looks as if there is no element of “present involvement” in this use ofthe Present Perfect, any more than there isinthe Simple Past.看不懂这个句子，尤其是any more than there is inthe Simple Past - 总感觉缺少什么，there is 后怎么会没有了？
...t being forced
to teach it to children. “High expectations” are one ofthe government’s eight
teacher standards each trainee teacher must provide evidence of to qualify –
theidea is that teachers expect great things from every student so that they
can expect great things ofthemselves.
Recent fndings lend strong support to thetheory that a black hole lies at the Milky Way's centerand many ofthe 100 billion other galaxies estimated to exist inthe universe.
a. that a black hole lies at the Milky Way's center and
b. that a black hole lies at the center ofthe Milky Way's an...
...You will work on projects of varying size and complexity, or using some ofthe most up-to-date technology in existence.疑惑之处：这句话错在“or”，我知道为什么，但是我纠结可不可保留or，通过修改其他地方来改正这句话呢？我的修改：You will work on proj...
...段话来自一段听力材料一部分，文字内容为口述：And the spot where the gravity readings are especially high, this is right inthe middle of a 500-kilometer wide circular ridge,&...
The possibilities multiply when you add the crucial missing ingredients— access to your own medical records and the ability easily to share information. 请问the ability easily to share information.中easily这个副词修饰谁？
有人说，“by the time+过去时间”句子要用过去完成时。如：
By the time I got home, she had already gone to bed. 我到家时她已睡觉了。
By the time he got there, everyone else had arrived. 他到达那里时，别人已都到了。
The rain had set in stea...
这是外研版高一英语必修4课本中的一句话：Simply raise your hand, and a taxi appears in no time.= If you simply raise your hand, a taxi appears in no time.这个句子的后面主句为什么不用将来时呢？我记得主句是祈使句或者if引导的条件状语从句时，主...
...s possible. 委员们同意尽快重新开始会谈。(3)Please make your decision as soon as possible. 请尽快作决定。(4)Detach the coupon and return it as soon as possible. 将赠券撕下后尽快寄回。(5)Go and see your GP as soon as possible. 尽早去看你的...
...ing Houben's hand around his keypad,apparently__following_____(follow) theindications ofthe locked-in patient.(Houben是locked-in patient，闭锁自闭症患者，Wouters是帮助他交流的那个人）空格处为什么填现在分词，而不是过去分词？另外，为什么不能填fol...
So was born “Cooking in a Bedsitter” (1961), a bible for the
cookery-challenged for decades afterwards, with its cheery insistence that yes,
you could cook cabbage, if you chucked in a crust of bread to stop the smell
getting into the curtains; and yes, you could knock up a delicious little
dinn...
Strickland was impossible, and he swore never to speak to him again. But the season touched him with gentle feeling, and he hated the thought of Strickland spending Christmas Day by himself; he ascribed his own emotions to him, and could not bear that on an occasion given up to good-fellowship the l...
As of Wednesday morning, the United States, which is leading the world in terms of confirmed cases, has reported 189,510 infections, showed the tally updated by the university's Center for Systems Science and Engineering.
has reported 和showed 分别引导什么成分