能够完整回答我的愿意付出高分
he looks as if he were angry.为什么用were?

many a student likes it为什么这么用？

enough 的反义词是ＴＯＯ为什么？

a 在英语里表示什么次？

hard hardly 既然都是副词，那什么情况下可以在句子中互用？
keep close to怎么翻译？
cutting edge 怎么翻译？
fail 的用法
there is no tipping for anything 怎么翻译？
hollywood is beautifully situated in the south of california为什么用副beatifully

he looks as if he were angry.为什么用were?
虚拟语气
虚拟语气的基本结构:
1.现在
从句用were，主句用should/would be
2.过去
从句用had been，主句用should/would have been
3.将来
从句用should be/were，主句用should/would be

many a student likes it为什么这么用？
many a
ad. 一个又一个
例句用法:
Many a rough man has been civilized by his wife.
许多粗野的男人在妻子的开导下变得文雅了。
Many a rich businessman reached the top by trampling on others in the most brutal way.
许多富商靠极其残酷地践踏别人而爬了上去。
Many a woman has great influence on her husband.
许多女人对丈夫有很大影响。

enough 的反义词是ＴＯＯ为什么？
enough是足够too是太 不是反义词
lack,缺少，不过它只能做动词或者是名词,你就用它的进行时态lacking,不过做动词时通常不用被动语态,所以只能用lacking了~,或者是3L的那个insufficient ,不过这个单词不怎么常用的~
P.S:还有个我们经常用的是short也有不足的,不适合的意思,
a 在英语里表示什么次？
什么叫多少次啊？
a [ei]
a.一,一个,一只,一件.
例句用法:
I don't care what a car looks like as long as it gets me from A to B.
我倒不在乎汽车的样子, 只要能把我从一处载到另一处就行了.
Would you do me a favor?
你能帮我一个忙吗？
You're just a good for nothing bum!
你一无是处！

hard hardly 既然都是副词，那什么情况下可以在句子中互用？
hard与hardly皆可用作adv.，前者多指“艰苦地、努力地、量较大地”，如：work hard努力学习/工作 It's raining hard. 现在雨下得较大。
而hardly“几乎不”表示否定意义的副词

keep close to怎么翻译？
对……保持亲近

cutting edge 怎么翻译？
cutting edge
ph.
1. 最前线;尖端
California is on the cutting edge of trends that spread nationwide.
加州走在全国流行的尖端。
2. 最重要的位置

fail 的用法
fail
KK: []
DJ: []
n.[C]
1. 不及格
a fail in math
数学不及格
vi.
1. 失败
Our plan has failed.
我们的计划失败了。
He failed in everything he tried.
他做一切事情都失败了。
2. 不及格
She failed in the examination.
她这次考试不及格。
3. 失灵;失去作用
The engine failed.
引擎出故障了。
4. (指健康)衰退;变弱;消失
His hearing is failing.
他的听觉在衰退。
5. 破产;失去支付能力
Many small banks failed during the recession.
许多小银行在经济衰退期破了产。
6. 缺乏,不足;(作物)歉收
The crops failed for two years running.
农作物连续两年歉收。
vt.
1. 失败;不能;忘记[Y][+to-v]
He did very well, but failed to break the record.
他做得很出色,但未破记录。
2. 没有通过(考试),评定(学生)不及格
The professor failed almost half of the class.
该教授给班上几乎一半人评了不及格。
George failed history last semester.
乔治上学期历史考试不及格。
3. 使失望;有负于
His courage failed him.
他失去了勇气。
His friends failed him when he needed their help most.
当他最需要帮助的时候,他的朋友们却辜负了他。
4. 舍弃(候选人等)

there is no tipping for anything 怎么翻译？
这里tipping应该是“小费”的意思，整句翻译：不会为任何事付小费的。

hollywood is beautifully situated in the south of california为什么用副beatifully
个人认为，这里的beautifully不是hollywood is 的表语，而是修饰situated的副词
整句翻译：好莱坞完美地坐落在加州南部。