49. One of the difficulties that overseas students have to overcome has to do with adapting to foreign culture.

91. It ______ a nice day to me. Why not go out for a picnic?

90. Wang Tao is my classmate. He is taller than ____ in our class.

89. Thousands of people took part in the work when the old temple ________.

88. Don＇t ____. Everything is going to be all right.

87. Is this __________ apple tree? No, it is __________ orange tree.

86. Let＇s give the patient _____ hand. _____ ambulance is waiting for us outside ____ school.

85. Jenny is ______ university student, and she is ______ honest girl.

84 His plane is due at 10 in Paris. Look, ____ plane is in now at ______ airport.

83. This is _____ Xinghai Park, and Mr. Chen is _____ director of ____ park.

82. Over-working can be a ______ on both body and mind.