The anti-government army ____the entrance with big stones in order to stop the government army marching in.
Class regulations require _____ is the last to leave the classroom _____ off all the lights.
What impresses me most is _________ he appears in front of others, he wears a sincere and charming smile. A. which B. that C. where C. that whenever
Everyone has periods in their lives __________ everything seems very hard.
The result was far beyond _____we had expected, ____brought great joy to every one of us.
—What do you think of the blind man?—I’ve never seen a man with sense of touch.