careful/more careful/most careful
Be careful!(Take care!)
She is careful with her work.
You must be more careful!
Lesson 65 The sixty-fifth lesson
You must be more careful.That car nearly hit you.
I want to catch that bus.
Well,you mustn't cross the road now.It's dangerous.A car may hit you.
That car nearly hit you.
I want to catch that bus.
Well,you mustn't cross the road now.It's dangerous.A car may hit you.
You must be more careful!That car nearly hit you.
I want to catch that bus.
Well,you mustn't cross the road now.It's dangerous.A car may hit you.
safe
It is safe to cross the street when the traffic light is red.
dangerous
It is dangerous to climb up that tall tree.
the traffic lights.
When is it safe to cross the road?
When is it safe to cross the road?
When the traffic light is red the traffic must stop.
Then you can cross.It's safe.
Look at the traffic lights when you cross the road.
When the traffic light is green,the traffic can go.
Then you must wait.It's too dangerous to cross.
When the traffic light is green,the traffic can go.
cross
cross the street/road
cross
cross the river/bridge
the traffic
The traffic must stop.
The traffic can go.
If you want to cross a street,you must wait for the green light.
You must not cross in front of the traffic.
If the light is yellow,you should wait.It is better to wait and be safe.
If you want to cross a street,you must wait for the green light.
You must not cross in front of the traffic.
If the light is yellow,you should wait.It is better to wait and be safe.
It is dangerous to play football in the street.
It is dangerous to play football in the street.
safe,drive slowly
It is safe to drive slowly.
dangerous,swim in the river
It is dangerous to swim in the river.
You mustn't play on the road.It's dangerous!
A car may hit you!
If you don't look first,a car may hit you.
If the policeman says'stop',you must stop.
If there is a lot of traffic,you must wait.
If you are not careful,a car may hit you.
If the traffic is moving,you must wait.
If you don't look first,a car may hit you.
If the policeman says'stop',you must stop.
If there is a lot of traffic,you must wait.
If you are not careful,a car may hit you.
If the traffic is moving,you must wait.
If you don't look first,a you must stop.
If the policeman says'stop',you must stop.
If the poloceman says'stop',you must wait.
If there is a lot of traffic,you must wait.
If you are not careful,a car may hit you.
If the traffic is moving,you must wait.
If the traffic is moving,you must stop