in return、make a bet等重点短语详解知识点包括in return、make a bet、as a matter of fact、by accident、to be honest、be about to do sth等部分，有关in return、make a bet等重点短语详解的详情如下：
They let us use their computers，and in return we give them the results of our research.
in return for作为对……的报答
We had a bet on the outcome of the next race.
Oliver made a bet that they would win the football match.
Roderick made a bet on who would win the race.
bet n. [C]赌；打赌 vi.& vt. 打赌；赌钱；敢说；八成儿
win/lose a bet 赢/输一场赌局
the/your best bet 最好的办法
bet sth. against/on 用……打赌
bet sb. thatclause 敢和某人说/打赌说……
Paul bet me 20 pounds that I wouldn't do it.
I will bet you that he knows all about it.
As a matter of fact，I was the one who did it.
As a matter of fact，he is telling lies.
“事实上”的不同表达方式：as a matter of fact，in (actual) fact, actually, in reality, to tell (you) the truth, in practice等。
We met by accident at the railway station.
No doubt this happened by chance，but this chance made me very happy.
He restored the umbrella he had taken by mistake.
To be honest，I don't think we have a chance of winning.
To be honest，I have no time to do it.
to tell you the truth说实话，老实说
to be frank＝frankly speaking坦率地说
in other words换句话说
to sum up概括地说
that is 也就是说
注意：to be honest为不定式作独立成分，在句中作插入语。常见的还有to be exact 确切地说；to tell you the truth 老实告诉你；to begin/start with 首先等。
I was about to go out when my mum called me.
There is about to be a huge party in our school.
be about to do...when...正要做……这时……
had just done...when...刚做完某事，这时……
be on the point of doing...when...正要做……这时……
I was about to go out when an unexpected visitor came.
I had just gone to bed when the telephone rang.
He was reading newspapers when he heard his name called.
The thief was on the point of putting his hand into the lady's handbag when the bus suddenly stopped.
be about to do/be going to do
be about to do
表示“正要，即将做某事”，时间性比较紧迫，常与when连用，但句中不能再加at once, immediately及表示具体时间的状语
be going to do
1．He gave us a lot of help when we were in trouble，but we have nothing to give him return.
2．As a matter fact，many ordinary jobs such as cleaning streets are worth doing.
3．Yesterday I met Tom in the park accident，where he was walking up and down，apparently anxious about something.
4．To honest，if you don't stop smoking you cannot be cured of the disease.
5．I was about to go back to sleep suddenly my bedroom became as bright as day.
1．He (sleep) when there was a knock at the door.
2．I was about to go out someone knocked at the door.
3．We had just begun to work the machine broke down.
(1) ，women live longer than men.
(2)He got home late last night， early this morning.
(3) ，I don't enjoy the performance.
(4) _ ，I hate the student speaking dirty words.
5．Could you have given them the wrong drug mistake?
6．I learn accident that you have just won first prize in the Robotics Competition held in your institute and have shown great talent in designing robots.
7．As matter of fact，the teachers play an important part in the study and life of the students.
8．Mozart hears that you are making bet on whether Susan will marry Bobbie.
9．用in return，in return for，in turn，by turns完成句子
(1)What happens in the world makes us happy and sad
(2)He gave her some roses her kindness.
(3)He is always helping others without expecting anything ，which， ，makes him a popular man.