Parents often have their children_____ little housework so that they can have more time______. 

I remembered _____ the door before I left the office, but forgot to turn off the lights.

I'd like to have these films ________.Can I pick them up tomorrow?

During the dialogue with Chinese youth in Shanghai, President Obama announced the U.S. would expand the number of students to study in China to 100,000 _______ ties between the two countries.

With the decision ______, the members present at the meeting were dismissed(解散).