Hi,Tom.Did you go to the party?— Yes,but I really________have,because I had lots of work to do.I had to work far into the night to finish it.[ ]

The Great Wall was built to keep ______ the invaders.

Most of us love reading books on _________ history.

The shop is _______ on Saturday and Sunday. We can go shopping there on weekdays.—Oh, no. It since last Saturday.

This film_________ the scenes of mychildhood.