...I stand on tiptoe. 我踮着脚才刚能够着架子。
但 only have to do sth 与 just have to do sth 有区别吗？比如：
Carrying the bags upstairs is half the battle. Then we only have to unpack them.
Our views on this matter are so different—I think we’ll just have to agr...
...; A.kewn B.were to know.老师说选A. 理由是were to do用于动态动词，像know，be动词这样的静态动词不行.在该网站上还有一题，If we_______200 years old,we______everything.A.were to be,could change B.had been,changed C.wer...
...，可以后接动词不定式或者宾语从句作宾语。
1. agree to do sth. 表示“同意（自己）做某事”, 作宾语的不定式必须带 to。例如：
He agreed to accept their proposal. 他同意接受他们的提议。（摘自《韦氏高阶英汉双解词典》2017年1月第1...
请问专家老师：It is a bad decision to have come here 是否可用 It is a bad decision to come here代替？此外，是否存在，it is... for sb to have done sth 结构；如存在，是否可以替换成 it is.. for sb to do sth 结构？
—The plan is heard _____ so well that we don’t have to make any changes. — It is indeed.A. to design B. designing
C. designed D. design 这题选 C，但是 sb is heard to do st...
Falls in marginal tax rates in American since the 1970s have made it all the more profitable to work longer.自20世纪70年代美国降低了边际税率以来，人们延长劳动时间变得越发核算了。老师，the more profitable不清楚这是什么用法，他做什么成分呢，为什...
I never regretted
not accepting his offer, for it was not where my interest lay. 老师们好，这一题目本为选择题，选项中既有 not accepting，又有 not having
accepted，请问为什么是选择not accepting呢？按理说 not having accepted与 not accepting表达的意思相似，...
I wanted to have something to hold on to.老师，hold on to是一个及物动词短语吧，为什么后面没有宾语的。I have someting to do.这里的do是不及物动词，to do是作定语的。I have someting to do it.do是及物的，不定式作目的状语了吗？