—I really like the White Princess _______ by Kelly Chan.—She has gift of performance as well as singing.

The professor wants the students to pay more attention to the festivals ______ in other parts of the world.

Noticing some passers-by gathering on the road, Jill looked forward _______ what was the matter.

With time ______, our school campus is getting increasingly beautiful and colorful.

He was thinking about the problem when an apple fell off the tree, _______ him right on the head.