辅导班的一道题：
—May I go out. Dad？
—No, you ________ let your mother know first.
A. can B. may C. need D. must
老师说答案为D, 理由是先要征求妈妈的意见，然后才能出去，我质疑说，即使先告诉妈妈也不一定允许...
During the floods the river water rose ______ main road beside it.A. a height of B. the height of theC. the height ofD. a height of the 请问老师，是不是有形容词修饰 height 和 main road，所以两个都选 the。
Half of the class__________ most of the work, and some of the work__________ difficult.A. has done, is B. have done, is C. has done, are D. have done, are怎么看是half of the class 是强调整体还是个体呢？似...
词典里面，词汇grow有不及物动词“生长”和系动词“变成”两种用法。请问，下面这句话可否作两种理解：Tom grew up to 170 centimetres tall this year .1. 汤姆今年长到了一米七【把grew up理解成动词短语，to 170 centimemetrs 理解成介词短语...
1. It’s nearly seven o’clock. Jack ______ be here at any moment.
A. can B. will C. should D. may
答案为 C，学生不解。
2. Professor Wang, many students want to see you. _____ they wait here or ...
老师您好！有这样一个句子：Sam had lost his wallet while taking his savings to the post office.此句中连词 while 后接现在分词 taking his savings to the post office.课文注释中说道与 while he was taking his savings to the post office 时间状语作用一致。该如...
Note that an appositive can also be a proper noun that names or identifies a common noun. An appositive made up of a proper noun that contains more than one word is not considered an appositive phrase, but rather a single noun construction. For example:“My brother Michael lives in New Yo...
...west of Samoa.本句中“a long way west of Samoa”是“Wallis island”的同位语。1.对于a long way west of Samoa，中“a long way”与“west of Samoa”均为名词性短语，那么2个名词性短语的关系是什么样的呢？2.请老师总结一下名词与名词间都有什么...
before与until在高考选择题中如何抉择？1. "Larry, I can't give you an answer before I think it over," said Joe.（before / until）2. You should put your feet in some warm water before you go to bed. （before / until）ps：以上两题，在语法上before与until我感觉...