In this university a medal with five thousand dollars _____ achieved success in science and technology every two years. [ ]

Tracy , you look tired —I’m tried I ______ theliving room all day

Do you still remember the day when we went to the Great Wall?— I can’t remember it well, but ________ it have been sometime last year?[ ]

It’s one ofthe things in the world to stay withfriends.—I agree. Italways makes us relaxed.

______ two exams to worry about, I have to work really hard this weekend. [ ]