7. 他被堵在高速路上，所以没能赶上来机场送我。
He was stuck in the highway and couldn’t get to the airport in time to ___ ___ ____.
8. 居民都支持这个倡议，认为这是一个好措施。
All the residents ____ _____ ____ ____ the proposal, considering it a good measure.
9. 当你被各种广告包围时，决定买东西之前一定要再三考虑。
When you are surrounded by various advertisements, do____ ______before deciding to buy something.
