You have failed two testsYou’d better start working harder, ____ you won’t pass the course

They didn’t continue to climb up the mountain__________ the bad weather.

Why are you angry with Michael— Because I waited for him for two hours last night, but he didn’t _______ at last.

On the third floor there are two rooms, _____ is used as a meeting-room.

u needthe dictionary, too－I’m not urgent.