41. It isn't worth marrying her.
42. She did nothing but cry.
43. He can't live without loving her.
44. People are prevented from going to the polluted area.
45. Tourists are not allowed to talk in the Temple.
46. The teacher doesn't allow using dictionaries in the final examination.
47. Many countries have considered helping the victims of the tsunami.

41.C
42.A
43.A
44.D
45.B
46.D
47.A