We can group animals into many types.（英译中)

Many advocated strong action to bring the Prime Minister into line.（英译中)

The reason why we have to grow trees is that they can supply fresh air for us.（英译中)

So precious is time that we can’t afford to waste it.（英译中)

By taking exercise, we can always stay healthy.（英译中)

What can we do to prevent the disease spreading？（英译中)

I hope we can part as friends.（英译中)