25.It has becoming ()( )difficult to find good teachers.

50.The ()【far】away we are from our motherland， the()【much】we miss her.( )

49.Oppositions leaders will be watchingcarefully to see how the Prime Minister() the crisis.( )

48.Opportunities are always available ()one uses his mind.( )

47.Take a coat along; it＇s ()to be cold down there.( )

46.I blame her because it was her fault but I＇d().( )

45.I expect her to ()her obligation.( )

44.Your spoken English has improved()
but it still requires a great deal of practice and hard work.( )

43.If law and order ()， neither the citizen nor his property is safe.( )

42.You can＇t get across the river ()by swimming.( )

41.Why do you look so()? You never smile or look cheerful.( )