（1）It seems to me that she complains of a headache. （2）It seems to be true that we are the same age. 感觉它和it seems that不一样，有了to后主句挺完整了，此时that从句是否可以看作是主语从句了？
Children everywhere still need to be immunized, and children whose immune systems are weak,sometimes get a type of polio that's shed from the vaccine into sewage.不懂that's shed from the vaccine into sewage.这句话的语法结构和成分，请教老师分析。谢谢！
they area collection of volcanic islands in the Pacific Ocean near the equator，about 600 miles west of south America.老师好，句子里的方位该如何理解？离南美洲的西部大约600英里？是不是等于 600 miles from west of south America？
...ogacy-friendly
state” in terms of the rights it gives to both intended parents—the
people who want a child but are unable to carry one themselves—and to
the surrogates. 依旧摘自《经济学人》。两个 it 均指加州。我觉得第二个 to 应该去掉，否则 both...and 连接的...
...ate funding to be used for human cloning.3、The question whether or not you will come doesn't matter to me.句中whether引导的是让步状语/状语从句还是同位语从句？二、1、Stanley Lumley, opted to take more time to consider whether to stop naked bathing. 2、I don’t know...
...Look! My mother ________ a new dress for me.—Wow, it looks very nice on you.A.is making B.has made C.will make D.made正确答案是B.我想问一下老师：1. 为何D（一般过去时）不对呢？2. 现在完成时和一般过去时在没有时间状语时应如何区分？非常感谢！
...d instead focuses his attention on
concealing his crime, which he does
by carefully depositing the body behind the wall, taking every precaution to
preparean identical plaster, and cleaning up his mess with the minutest care.2. The narrator’s
pride gets the best of him when the police are searchi...
Then you must tell him to be careful about what he says.Then you must tell him ，to be careful，about what he says.Then you must tell him about what he says to be careful.Then you must tell him about what he says,to be careful.老师，几个句子有什么不同，第一句：to be careful...
Your library
card, please. Oh, you have lead fees. It comes to 4 dollars. You have to pay it
off before you check out all books.请问专家，句中的 lead fees 是什么意思？
第一组：1) The exercises are so simple that almost anyone can do them.2) The exercises are so simple that almost everyone can do them.第二组：1) The exercises are so simple that almost any one of them can do them.2) The exercises are so simple that almost every one of them can do
them.第三...
...ut now for most companies entering Chinese markets, transliterations area thing of the pastfor在这里难道不是引导原因状语从句吗？为什么可以直接填entering？我看到这个句子第一反应是填 has entered 或者 endered，而万万没想到是直接填entering...
...eliminated so many species in a
relatively short period of time, but there are several possible
explanations.还有之前讨论过的句子：2)
What is going on here that is so important to where Florida
needed to steal this land from Alabama?麻烦提供一下先行词 what 此种用法的权威...