________ they ________ (run) when they ______(fall)? No, they _______. They __________ (ride) their bikes.
were...running/weren't/were riding
_______ you _________(understand) last week's lesson? Yes, I ____
did...understand/did
Sara ________ (hurt) herself while she ___________(climb).
hurt/was climbing
Iván _________ (eat) but he ___________ (not drink) when Juan _______(see) him.
was eating/wasn't drinking/saw
