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

Ever since Daming graduated from the university, he _______ in the present company for 15 years and he is now chief engineer of the company

The two men walked _________ the forest andgot to a small house.

Hi, Susan, you look tired.—I ______ for months for the coming celebration for the school’s 60th anniversary

It was in such a good place _____ everyonewanted to go and visit _____ I came across the old lady．