同义句!I am sure this planet is safe.Canada is a huge country.I

同义句!
I am sure this planet is safe.
Canada is a huge country.
I found my bag missing.
He was in handcuffs.
Look out!
what is 6 minus
We know at least two languages.
Please do not make a noise.
What do these figure stand for?
A robbery happened in the bank this afternoon.
Doctor Zhang is one of the top doctors in this hospital.
Tom hurried to a bookshop nearly.
Well done,children!
A red cioss usually stands of hospitals.
The class has 22 boys and 18girls.
The alien was too big to enter the tunnel.
The old man came into the room with some sweets.
What time will the plane take off?
You'd better put on a coat.
It will take us about three hours to get there.
When you trael in space,your body weighs less.
None of his men will escape from the monster.
All the lights in the city went out that night.
Unfortunately,the old man hurt himself in the accident.

变化形式不止一种,只能提供某些答案供楼主参考,保证准确!
I am sure this planet is safe.= I‘m sure/certain of/about the planet's safety.
Canada is a huge country.= Canda is a large country.
I found my bag missing.= I found my bag lost.
He was in handcuffs.= He was handcuffed.
Look out!= Watch out!= Be careful!
what is 6 minus = What is 6 substracted from
We know at least two languages.= We know no less than two languages.
Please do not make a noise.= Please make no noise.
What do these figure stand for?= What do these figure mean?
A robbery happened in the bank this afternoon.= There happened a robbery in the bank this afternoon.
Doctor Zhang is one of the top doctors in this hospital.= Doctor is one of the best doctors in this hospital.
Tom hurried to a bookshop nearly.= Tom went to a bookshop nearly in a hurry.
Well done,children!= You've done a good job,children.
A red cioss usually stands of hospitals.= A red cross is usually the symbol of hospitals.
The class has 22 boys and 18 girls.= There are 22 boys and 18 girls in the class.= The class is made up of 22 boys and 18 girls.= The class consists of 22 boys and 18 girls.
The alien was too big to enter the tunnel.= The alien was not small enough to enter the tunnerl.= The alien was so big that it couldn't enter the tunnel.
The old man came into the room with some sweets.= The old man took some sweets into the room.
What time will the plane take off?= When will the plan take off?
You'd better put on a coat.= It's best for you to put on a coat.
It will take us about three hours to get there.= We will spend about three hours (in) getting/reaching/arriving there.
When you trael in space,your body weighs less.= When travelling in space,you will weigh less.
None of his men will escape from the monster.= All of his men will die from the monster.
All the lights in the city went out that night.= The lights in this city all went out that night.
Unfortunately,the old man hurt himself in the accident.= Unfortunately,the old man got/was hurt in the accident.
注：/表示可以任意选用其一；（ ）表示可以省略不写.