School kids take part in parades on campus on Halloween, __________ in colorful costumes, after which there is a small party inside the classroom.
—How are things going? —The disabled ________ no relatives in Guangzhou ________ by the volunteers, who will graduate from Zhongshan University next year.
He traveled to many mountain villages and saw many poor children out of school. This experience ___________ his life.
I should very much like to have gone to the party but I _________.
My dictionary _________, I have looked for it everywhere but still ________ it.
The students ________ busily when Miss Brown went to get a book she ______ in the office.