everyday misson

sentence:
Let's call it a day..
Someting's come up..
Keep that in mind..
I couldn't help it..
I'll be look forward to it..
Let's get to the point..
That was a close call..

key words and expressions:
knock 敲打,击打 invite 邀请,引起
joke 开...玩笑 lemonade 柠檬汁
quiet 安静,静止的 quite 相当,十分
knock on knock at 敲门(加介词)

pattern drill:
Everybody arrived nice and early... nice本身无意思,是为加强语气用
There is none left./Is there any coffee left? left指剩下的
Everything's very quiet..
Can you see anything?
There's nobody/no one at home..
There must be somewhere..

syntax:
不定代词=>
no/any/some/every + thing/one/body/where 构成
其都为单数形式,如=>
everybody is asleep..
everyone is asleep..
everything is untidy..
I looked for my pen everywhere..