Fill in the Blanks GRAMMAR: Completa frasesOnline version GRAMMAR. PRESENT SIMPLE: Completa frases by Pilar Otano Cabo 1 use don't drive cross carries doesn't 1 Small boats ( cross / don't cross / crosses / don't cross ) the sea . 2 . An ordinary bike ( use / uses / don't use / doesn't use ) electricity . 3 . Many people cars ( drives / drive / doesn't drive ) cars . 4 . A bus ( carry / carries ) fifty people .