Low-carbon lifestyle is of great benefit to improve the world environment.________can be enjoyed from it until you have a deep understanding of it,however.
If you cheat in the examination, you ought not to _______ it.
He tried his best to solve the problem, ________ difficult it was.
we’ll have our sports meet this week the weather.
It was hot weather that he went for a swim.
The new bridge is ______ the one built last year.