61.The student checked his writing carefully lest itsome spelling mistakes.

139.People believe that cameras in public places are helpful in fighting crimes and they do not really privacy.

138.The company hasinto a major chemical manufacturer.

137.Having decided to rent a flat, wecontacting the letting agencies in the city.

136.Extensive reporting on television has helped tointerest in a wide variety of sports.

135.This kind of analysisthe problem to its simplest form.

134.No one can function properly if they areof sleep.

133.You＇ re the manager * s relative, but that doesn＇tyou to a free meal in our restaurant.

132.Trying towildlife is a job that concerns all of us.

131.In the past ten years Jack has been teaching in a remote village. I think herespect from allof us.

130.The patient screamed in his sleep last night. Hea terrible dream.