223、Radio frequency

47、When talking about symbols of American culture?

46、turn () do be

45、keep ()

44、urge () to do sth

43、I was glad to () from such a terrible dream

42、But the engine () out suddenly

41、In the garage, her car warmed up easily, thanks () its electronic ignition

40、We have so many () appliances around us today.

39、We got lost.What＇s worse.it startedto ()

38、it has been months since () tasted such delicious food