Mary is going_____ December, and she’s staying_____three weeks. [ ]

How about the two of us ____ a walk down the garden?

Auatar is such ____wonderful science fiction movie that I want to see it ____second time.

If (如果) he isn’t at school. Please call me _______ 453-7868. [ ]

Alice in Wonderland ___________ for 15 days and many of us like the film very much.