81、level3-unit1-part1 listening-bus schedule

Here is a bus schedule at a bus stop.
On most days, the buses come on schedule, but sometimes they don't.
（on schedule:按时）
Yesterday, for example, several buses were late.
This is because the traffic yesterday was much heavier than usual.
（this is用现在时解释客观原因）（because后面的句子用过去时描述过去的原因）
（heavy+than usual: 比较级+than usual）
（heavy / bad traffic交通拥堵，交通状况差）

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Bus No.38 was supposed to come at 8:40, but it was 5 minutes late.
（be supposed to do sth.:本应该怎么样，被期望怎么样→eg: You were supposed to be here at 8.）
It didn't come until 8:45.
（not ...until...：直到……才……）
Bus No.60 was supposed to come at 8:30.
But yesterday it didn't come until 8:40.
It was 10 minutes late.
Not one bus came early.
(不规则动词come→came)

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As a result of the delays, one man got on the wrong bus.
（as a result of+表示原因的名词）（as a result +句子）
He wanted to go to the airport, so he wanted to get on Bus No.38.
（get on :搭乘某种交通工具→get on the bus、get on the subway）
He expected it to come at 8:40.
（except sb./sth. to do sth.期望某人/某物怎么样）
Instead, he got on Bus No.60, which came at 8:40.
（instead：代替，相反的，可以放在句首，也可以放在句尾）
eg: There was no coffee, instead, I had a cup of tea.√
       There was no coffee , I had a cup of tea instead.√
He didn't notice that it was the wrong bus.
It didn't go to the airport.
As a result, he missed his flight.

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