— I will come to attend your lecture at 10:00 tomorrow. — I’m sorry, by then my lecture will have ended and I _____ in my office.

--Hello, Kate. How is your weekend at home?--Awful! You know it is the first time I ____ alone at home, bored to death.

When I approached to the subway entrance, an explosion occurred. This ___my first experience, I got into panic

—What were you doing when Tony phoned you?—I had just finished my work and________ to take a shower. 

Looking at old photographs of yourself on social websites can improve your mood, and this finding _______ previous research, which suggested otherwise.