_________ we don't stop climate change, many animals and plants in the world will be gone.
Although
While
If
Until
The map is one of the best tools a man has _ _ he goes to a new place.
__ you get no applause, you should accept a curtain call gracefully and appreciate your own efforts.
—Who should be responsible for the accident? —The boss, not the workers.They just carried out the order .
I travel to the Binhai New Area by light railway every day,________ do many businessmen who live in downtown Tianjin.
_____ an ad does not lie, it does not mean it is altogether innocent.