B1 The movement of the train lulled me to sleep.A forced B caused C stoppedA2 He has been my associate in several business enterprises.A.partner B friend C contact personB3 We suspected that he was the murderer even before we were told.A doubtedB believed to be likelyC believed to be unlikely C4 My eyes became accustomed to the dim lighting.A tired of B hurt by C used toB5 The government is planning to extend the railway to the next town.A make it shorter B ma