I remembered ________ the door before I left the office, but forgot to turn off the lights.[ ]

Eating properly and exercising _______ make one enjoy a longerand healthier life

Where have you _______ all day— I came back at noon and I _______ in this officesince then.

With whom did you watch 2010 World Cup Opening Ceremony — _________.

25．— Could you have the report ready by Friday? — I ______ think so．