Thiskindofplant ( ) alotofwateratalltimes.
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It was on the () to the station that she lost her key.
Ithaslongbeenassumed( )itistheresultofchemistryinthemalebody.
Ontheotherhand.carsareuseful, ( ) on theother(hand),theycausepollution
Expertshavefoundthatthesedifferencesarereflectedinthe( )thatchildrenuselanguagewhile theyplay.