No one helped me . I did it all         myself . 

She brought with her three friends, none of ______ I had ever met before. 

Is this the reason__________at the meeting for his carelessness in his work?

The design of the modern architecture concentrates on usefulness _____ decoration.

— Have you called Mr. Johnson’s office? — Yes, he _____ back before tomorrow. So he can attend our meeting on time.