– ________do you play sports? – Once a week. A. How often B. How much C. How long
---- Sorry! I’m busy today. I can’t go swimming with you. ---- _______.
Teachers often tell their students _______ across the road when the traffic light is red.
---- Lots of trees and flowers ________ on both sides of the road last year. ---- Oh, _______ beautiful they are!
Although he failed this time, he didn’t give up and _____ studying hard.
---- Do you know the man ________ visited the Singapore in February? ----Yes. He is Mr Li. He said it was his _______ visit to the United States. A. who; fifth B. that; five D. /; five D. which; fifth