This may be because the lower moisture content, which is 12.8% for the MC, generates less expansibility and contractility than is necessary to destroy the soil skeleton.请问老师，这个句子在than后是不是省略了that呢？
请问老师，这里的it是形式主语吗，to assess what theofficial was talking about是主语？a right moment是表语？it能理解为代词，表示“现在”吗？With the countries planning to reach an agreement,it is a right moment to assess what theofficial was talking about.&...
If you smell or hear a gas，get everyone outside and open the windows and doors. If you can do it safely，turn off the gas. Report it to the gas company.两个it分别指什么呢？
From over a distant rise there floated a gray plume of smoke.在远处的山顶上，飘荡着一股灰色的烟雾。请教老师：这里there是there be存在句，还是there是地点副词（表明是“那里“的意思）, 倒装结构，不是存在句呢？今后如何区分这种There be...
...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。该如何理解 while ta...
...网站看到这么一个对比：
A black and a
white dogs are playing in the yard. 一只黑狗和一只白狗正在院子里玩。（两只狗）
A black and white
dog is playing in the yard. 一只黑白花狗正在院子里玩。(一只狗)
该网站认为这两句话都是对的。但是我...
...网站看到这么一个对比：
A black and a
white dogs are playing in the yard. 一只黑狗和一只白狗正在院子里玩。（两只狗）
A black and white
dog is playing in the yard. 一只黑白花狗正在院子里玩。(一只狗)
该网站认为这两句话都是对的。但是我...
It’s the first time that I came to China.问题1：如果把这句话分析为强调句，强调the first time， that是否可以省略？问题2：如果把that引导的从句分析为定语从句，这里的关系词是否必须改为when，能否因为先行词是the first time而用关系代...
I took my cue in a moment, and did the only rational thing there was to do. I reached the note towards him, and said, carelessly: "Give me the change, please."这里的and did the only rational thing there was to do. 中：there was to do 不明白。如果是there was， 那是定语...
How
comfortable the wind feels ! It's warm and soft.这里使用feels正确吗？感觉有误。请教老师。 我们通常说
I feel the wind warm and soft. 所以，如果说成How comfortable the wind feels 就错了。那么，应该如何改正呢？请教老师分析批评指正！