38.His shoes are sold (　　　 ),and we had to go to another shop.

37.His clock broke (　　　 ),so he got up late .

36.He caught a woman’s bag and ran (　　　 ).

35.He knocked (　　　 ) a car when he crossed the road.

34.(　　　 )the 21^st Century, China will be a developed country.

33. When he ran (　　　 ) (　　　 )money,he asked his mother (　　 )more.

32.The bell goes (　　　　 ).Let’s go into the classroom.

31.(　　　 ) the time he returned, I had finished my work on the farm.

30.He fell (　　　 )the bike and broke his legs.

29.The temperature is (　　　 　)zero degree in Hangzhou in winter.