Have you see ____ umbrella I put here this morning? Is it ___ black one? It is in the cornor of our office.A. the; a B. an; aC. the; the D. an; the答案：A解析： 考察冠词， 第一空后由于有定语从句修饰，表示特指，故用the; 泛指“一把” 黑色的伞...
在课本上有这么一个句子：You have to be prapared to give up your normal life.
prepare to do 是准备做某事的意思这个我知道，但准备放弃普通生活做这个动作的人是
you，那为什么用的是be prepared 被动语态呢？这里不是“你被...
...ld have youbelieve, my sons, that the same Justice which punishes sin may also most graciously forgive it, and that no ban is so heavy but that by prayer and repentance it may be removed.麻烦老师讲解一下按照字面意思，把but=except的话，no ban is so heavy but that by prayer an...
The letter took me all morning to write.可以改为it作主语的句式：It took me all morning to write the letter.下面这些句子也可以这么改吗：This decision is for you to make.The car cost $1000 to repair.The dispute needed / required a great deal of tact to resolve.
请看两个例句：(1) This month, Germany’s
transport minister, Alexander Dobrindt, proposed the first set of rules for
autonomous vehicles. They would
define the driver’s role in such cars and govern how such cars perform in
crashes where lives might be lost.(2) Driverless cars may end up be...
请问曹老师，以下两个句子意义是否相同：1. You should be
careful when you cross the road. 2. You should be
careful when you are crossing the road. 我认为when此时应理解为during the time，其后的持续性动词应使用进行体。但同时此句表达是一种习惯...
...康！向曹老师请教如下题目："I wondered
if I could have a word withyou." The past tense used in the sentence
refers to a _______.A. past event for
exact time referenceB. present event
for tentativnessC. present event
for unsertaintyD. present event
for politeness此题为2017年专四语...
...庭套房，随你喜欢。Pensions should be increased annually in line with earnings or prices, whichever is the higher. 养老金每年应该按照收入或物价中升幅较高的那一项增长。Fishing is from 6 am to dusk or 10.30pm, whichever is sooner. 钓鱼时间从上午6点到黄昏或...