Not until he retired from teaching three years ago ________having a holiday abroad.(2012·辽宁，32)

The reason_____he gave for his coming late was _____his car broke down on the way

The last time we had great fun was __________ we were visiting the Water Park

Sarah wondered what ______ her 70-year-oldgrandpa would make of the new computer

We hope that as many people as possible ________ join us for the charity show tomorrow.