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accident
on
careless
helmets
night
light-colored
break
fine
station
dark-colored clothes
Read 1a and answer the questions
1. Where did the accident happen?
2. What was the reason?
In Caishikou Street.
The young man on the bicycle was very careless.
We should never ride ______ _____.
We should wear bicycle ________ when riding.
We should have _______ on the bike or wear _____________ clothes while riding at night.
We should learn more ______ ______.
too fast
helmets
lights
light-colored
traffic rules
1aLook, listen and say.
If we break the traffic rules, we may get a fine and even be in danger.
“if”表示“如果，假如”，引导条件状语从句。
如果主句是将来时、祈使句或含有情态动词时，从句通常用一般现在时，也就是我们常说的
从句
主句