Read the text. Use the verbs in brackets in the past simple or past continuous to complete the sentences:
LOCAL TERRORISTS AMBUSH ROUTINE PATROL
Four soldiers were injured yesterday because a bomb_________(explode) near their armored vehicle. The incident ________ (happen) at 4:30 pm while the soldiers _______(return) to base after a routine patrol. Their vehicle________(travel) along the High Street when suddenly they ______(have) to slow down because a bomb which was hidden in a rubbish bin__________(explode).
