81.  Though I don't know some words .

82.  Who attended the acting in our class spent some time in practising.

83.  Some students must Wear clothes.

84.  I became a cook and cooked some food to eat together.

85.  I would do some housework.

86.  This winter holiday seemed that we had some time to rest .

87.  I will receive some money.

88.  I had prepared some sweets and some cookie to past the Spring Festival.

89.  There were some Market on each side of the road.

90.  We could go for some food or buy something.