81. In order to finish the work in time，they always worked far______ the night.

82. When we heard the news that our team has won more than 30 gold medals Athena Olympic Games, we sang and danced _____ joy.

83. It is said that Hong Kong will be joined _____ the mainland _____ a beautiful bridge on the sea in the near future.

84. Can't you keep your dog _______coming into my yard? It is always disturbing us.

85. You should say "I am sorry " when you knock ________ somebody.

86. In the following spring , the seeds should be knocked _______ the seed-heads and sown .

87. --- Could you please tell me how can I get to the post office?

--- Go straight ahead. At the end of this road, you’ll see the hospital      the left side of the park.

88. All the people in China, poor or rich, young or old, man or woman, are on the same level _____ each other.

89. Was this piece of earthenware(陶器) made       machine or _____ hand?

90. --- Who is that gentleman who talked to you just now?

--- He is my uncle _____ marriage.