-What’s the matter with John? He has been sitting there for hours. -A postcard from his father an attack of home-sickness in him.
Last week the students did the experiment in order to_______ if iron rusts in dry air.
--- Did you enjoy the party last weekend at Peter’s home? --- Oh, sure. It has been years _______ I last enjoyed myself like that.
Mike failed to finish his homework on time, so he tried to avoid _______ his teacher.
--- How do you find Mr Li’s lecture? --- Good indeed. It_______ many problems we have come across in our study.
Justin Bieber’s rise to fame is an ________ story which ________ thousands of young actors.