语法1.--Do you have any idea when the experiment was carried out?--I hear it was not until last year ( B ) their plan was approved.A.that B.when C.before D.once 2.Jeans,as is known,is a kind of cloth that ( D ) well,as a result of which it ( D ) we

语法1.--Do you have any idea when the experiment was carried out?--I hear it was not until last year ( B ) their plan was approved.A.that B.when C.before D.once 2.Jeans,as is known,is a kind of cloth that ( D ) well,as a result of which it ( D ) we
语法
1.--Do you have any idea when the experiment was carried out?
--I hear it was not until last year ( B ) their plan was approved.
A.that B.when C.before D.once
2.Jeans,as is known,is a kind of cloth that ( D ) well,as a result of which it ( D ) well.
A.is worn;is sold B.wears;is sold
C.is worn;sells D.wears;sells
3.We are living in a period ( C )many things are done easily.
A.that B.which C.when D.where
4.Right there on the table ( A ),which was rather inviting.
A.lay the food of a large variety
B.did the food of a large variety lie
C.the food of a large variety lay
D.the food of a alrge variety was lying

语法1.--Do you have any idea when the experiment was carried out?--I hear it was not until last year ( B ) their plan was approved.A.that B.when C.before D.once 2.Jeans,as is known,is a kind of cloth that ( D ) well,as a result of which it ( D ) we
1,A 强调句型,it was ...that...,强调句型不用when
2,D对的,wear ,sell 用主动形式表示被动意义.布耐穿,布好卖
3,C对的,when引导一个定语从句,因为先行词period是表示时间,所以用when作状语
4,A对的,完全倒装,正常语序是：The food of a large variety lay right there on...

英语语法结构
表语：表语是用来说明主语的性质, 身份, 特征和状态。
表语须和连系动词一起构成句子的复合谓语。
副词：
副词是一种用来修饰动词,形容词,副词或全句的词,说明时间,地点,程度,方式等概念。如:often往往,here这里,very很,quickly很快地。
一般来说：
1。修饰动词的词语就是副词，如beat it heavil...

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英语语法结构
表语：表语是用来说明主语的性质, 身份, 特征和状态。
表语须和连系动词一起构成句子的复合谓语。
副词：
副词是一种用来修饰动词,形容词,副词或全句的词,说明时间,地点,程度,方式等概念。如:often往往,here这里,very很,quickly很快地。
一般来说：
1。修饰动词的词语就是副词，如beat it heavily中的“heavily”就是副词，修饰“beat”，狠狠地打击。
2。还有的副词是修饰形容词的，常常表示程度。如extremely beautiful中的“extremely”修饰形容词“beautiful”，极其漂亮的
3。还有的副词本身就是修饰副词，和修饰形容词类似。
4。较特殊情况的副词可以放在句首，表一种伴随状态，
如“Fortunately，I managed it in time"中的fortunately。幸运的，我最后及时的完成了（那件事情）
一、副词是一种用来修饰动词,形容词,副词或全句的词,说明时间,地点,程度,方式等概念。副词在句中可作状语,表语,短语。一般的副词除固定副词外，其他副词加后缀-ly，但有些如ugly、friendly则不是副词。
分类：
1、 时间和频度副词:
now,then,often,always,usually,early,today, lately, next,last,already,generally,frequently, seldom,ever,never,yet,soon,too, immediately, hardly,finally,shortly, before, ago,sometimes, yesterday.
2、 地点副词:
here, there, everywhere, anywhere, in, out, inside, outside, above, below, down, back, forward, home, upstairs, downstairs, across, along, round , around, near, off, past, up, away, on.
3、方式副词:
carefully, properly, anxiously, suddenly, normally, fast, well, calmly, politely, proudly, softly, warmly
4、 程度副词，放在被修饰词之前:
much,little, very,rather,so,too,still, quite, perfectly, enough, extremely, entirely,almost, slightly.
5、 疑问副词，一般放在句首：
how, when, where, why.
6、关系副词，一般放在句首：
when, where, why.
7、连接副词:
how, when, where, why, whether.

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A强调句，it was……that
D表示事物的特性
C定语从句，先行词是period
A方位副词提前时完全倒装