______thepopularityofrobotsinJapan,thecountry’srobot-productiongrowthisslowingdown.

Mrs. Smith locked both the front and the back doors before she went to bed______thatsomeone might steal into the house at night.

OneoftheresponsibilitiesoftheCoastGuardistomakesurethatallships______followtrafficrulesinbusyharbors.

Homingpigeonisusefulasa______carrierbecausewhentakenfromhome,itwillreturnatthefirstopportunity.

While crossing the mountain area, all the men carried guns lest they ______ by wild animals.