...pped laboratories and delicate instruments back here on Earth to tell us whether our samples carry evidence that Mars once harbored life.请问这句话中it作形式主语，不定式作真正主语吗？还是说不定式作宾补，那it指什么呢？
...下”，英语通常用什么介词，我见过用under的，如：
Wedid the work under his direction. 我们在他的指导下工作。
Wedid the experiment under our teacher’s guidance. 我们在老师的指导下做实验。
还有其他的表达吗？还可用其他介词吗？
还有...
...gry. They kept changing Garfield's Wikipedia page. People talked about whether the cat was a boy, girl or neither.Wikipedia finally locked the page to stop people changing it. Jim Davis, Garfield's maker, finally gave the answer."Garfield is male(男性）,"he told The Washington P...
...oes it mean to go more than a year without seeing smiles as steadily as wedid before?我的问题：1. interpret many tiny things 是什么意思？2. can only half see 是什么意思，其中的half是什么词类，作什么成分？3. this goes both ways是什么意思？this 和both ways各指...
老师您好，请问下面这个句子中，use为什么要用现在分词的形式。When we tell a story or joke we often describe the main events using the present (or past) simple and longer, background events using the present (or past) continuous.
...名词从句与不定式的转换（宾语从句）1） She can't decide whether she should go with him or stay home.= She can't decide whether to go with him or (to) stay home.2）I don't know what I should do.= I don't know what to do.3）Please tell me how I can get to the bus station.=Please tel...
Whether the weather is good or bad, I will go out.Whether my judgement be right or wrong, I will continue my research without any hesitation.为什么第一个用is，第二个用原型呢？
...ainment Venue》When you're marketing a movie, it's a huge expense. Right? Wewere waiting 90 days before that movie could come out on DVD or into the home, which meant you had to market the movie all over again. So eradicating that and being able to pull that date up to 17 days, it means that we c...
Many of the questions tiptoed around the criticisms. One journalist asked at what stage did Wade and the organization last see the sculpture, and another reporter asked whether there were any requests the sculptors were unable to fulfill.这句话的did在这里什么用法？
Kristin Diehl conducted a series of experiments on photo-taking to find out whether people enjoyed it when they did sightseeing.过去式did后面为什么用ing形式（有did doing句型吗）？
...或人，或用声音代替语言〕: She was like, huh? (=she did not understand)她就这个样子，呃？3. as like as not/like enough BrE probably 【英】很可能：The ambulance will be too late, as like as not. 等救护车来很可能已经太晚了。
... is to be seen in nonstandard usage such as: He wanted it more than what I did.（非标准英语）Such constructions provide an empty object
for than but ensure the use of the subject pronoun in the following clause. It
could thus be seen as a kind of hypercorrective response to the grammatical“...
...uipped laboratories and delicate instruments back here on Earth
to tell us whether our samples carry
evidence that Mars once harbored life.
请问老师们，这句话中it作形式主语，不定式作真正主语吗？还是说不定式作宾补，那it指什么呢？
...on-acceptance of others, of those aspects of ourselves that we don’t like or of situations we face in life that seem greatly unfair is that we stay stuck, and we stay stressed. 老师，这句话完全看不懂，虽然能理解部分，但是整个串不...