Mary, whose photo is it?—It ______ be Lu’s. Those are her parents.

It is reported the weather will _____ hot for a long time.—I hope not. I hate hot weather.

What do you think of the lion? －Well, I think it’s _____ ugly animal.

A terrible earthquake happened ______ the afternoon of March 11th, 2011 in Japan.[ ]

We have to visit our grandparents this winter vacation because we miss each other very much.