He held on to the back of a chair (他抓住椅背)(新牛津词典例句)Hold tight to the railing, or you'll slip and fall.(章振邦新编高级英语语法384页)我想不通，为什么以上2个例句，hold后面要用介词， 为什么不是直接抓住某个东西，加了介词to为何？
...arted volunteering at the Monterey
Bay Aquarium in California.
I was upset to learn that many sea animals eat plastic trash, thinking it’s food.I
decided to do something to educate people about this problem. In 2017, I founded
Jr Ocean Guardians as part of my work with the Girl Scouts. We hold pre...
... D.
I can hardly thank you enough2. Food and medical supplies ______ to all the
residents after the hurricane last Sunday.A. distribute B.
distributed C. are distributed D. were distributed3. ______ we achieve great success in our work, we
should not be too pro...
The failure to conclude the trade talks last December could prove a blessing in disguise.网上译文：去年12月份贸易谈判中止可能因祸得福。我的疑问：句中的 conclude 已经有“结束，终止”的意思，那 failure to conclude 应该是“终止失败”，所以正确...
Not knowing how to perform a difficult task makes people more likely to conform.请老师指点，此句中的to conform在句中是什么成份。makes people more likely to confirm中的more likely to confirm应该是宾补，对吗？make是使役动词，其宾补应该为省to啊，为什...
Not wanting to be disliked by other people. To human beings, this is an
entirely natural desire and an impulse.---- from <the courage to be disliked>谢谢各位老师对之前学生问题的解答，上面的句子我有几点疑问：1. Not wanting to be disliked by other people. 节选的...
For example, changes in the economy that lead to fewer job opportunities for youth and rising unemployment in general make gainful employment increasingly difficult to obtain.我查了别人提问的类似结构，说“主语+be+表语+不定式（及物动词）”的结构中，人们通常认为...
Richard was uneasy about how best to approach his elderly mother. 最好如何去跟年迈的母亲谈，理查德心里没有数。请问如何理解句子中的 how best to approach…？这是一个什么句式？how 后面接最高级？不理解，请专家老师解答，非常感谢！