81.  Why don't you take two pills?

82.  You'd better see a doctor if you are not feeling well after you take two pills.

83.  Li ming and two neighbours took the basin to pump the water.

84.  Dear Xiao hong: I don't like the place where I live at There are two reasons .

85.  I am very unhappy by these two things, so I don't like the place where I live at .

86.  Two boats on he bank of the lake are being mended by two people who wear hats.

87.  And he tried to put out the fire with his neighbours, two boys as old as Eric.

88.  The old house is being mended by two worker .

89.  He studied at two university .

90.  He went to high school and then continued his studies at two university , one is Bonn university, the other is Berlin university .