Three thousand ______(听众) crowded the concert hall.
Drivers should be________(惩罚)severely for dangerous driving.
When I turned round again，the boy had________(消失)．
The________(女主角)is played by a famous actress.
At the shot，the birds immediately flew away in all d______.
I'll do everything in my p______ to help him out.
You needn't wear a suit. It's just an________(非正式的)party.
He went to town with the________(目的)of buying a new television.
They didn't receive any news during their daughter's a______.
Some vegetables are only available at c______times of the year.
The f________of the heart is to pump blood through the body.
品句填词He felt he needed to________(集中)more on his career.
He called the police because he was________(担心)for her safety.
After the traffic accident happened，the police were soon on the s________.
I'll invite my friends to dinner tonight so I need to r______ a table in advance.
The Great Wall of China is one of the seven w______ in the world.
品句填词We should keep the fine________(品质)of the working people.
She________(声明)that she didn't want to see him.
He has been living here since he________(退休)at the age of 60.
They followed t________ left by bears.
The sun is the u________ source of energy.
品句填词Old______(记忆)are often called up when you hear a particular song or a piece of music.
When in class，our mind must pay attention to what the teacher says and not________(走神)．
We all hope the holidays will be________(延长)for another two days.
He________(假装)as if he didn't know about the thing at all.
We held a________(庆典)after our team won.
The wallet stolen yesterday was found________(隐藏)in the dustbin outside the building.
If you don't like it，I'll________(交换)with you.
The workers packed the glasses and________(标上)on each box “This Side UP”．
Like other children，I'm curious to find out the________(起源)of human kind.
You have________(弄混)the meanings of the two words.