课时作业(五) [必修1 Unit 5 Nelson Mandela—a modern hero] [限时:40分钟] Ⅰ.单项填空 1.[2011·湖南卷] Only after they had discussed the matter for several hours________a decision. A.they reached B.did they reach C.they reach D.do they reach 2.________they visited the Science Museum,they showed great interest in everything they saw. A.The first time B.For the first time C.At first D.At the first time 3.—I think it's going to rain. —________ The skies are dark and cloudy. A.Not really. B.I guess so. C.Why not? D.How great! 4.—What are you reading, Tom? —I'm not really reading, just ________ the pages. A.turning off B.turning around C.turning over D.turning up 5.The first decade in the 21st century is the one ________ many significant advances are made in China. A.that B.in which C.which D.where |