The newcomer’s ___________ nature accounts for his making a large circle of friends soon after his arrival.
If the prediction for the earthquake ________ more accurate, we would have been more prepared and many more lives would have been saved.
—Where is Bob? I cannot find him anywhere.—He have been off long. I heard him make a call just now.
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.