1 . 根据句意，选择单词并以其适当形式填空。

1. Those photos __________ me of my happy and carefree childhood.
2. This advertisement is a/an __________ example of their marketing strategy.
3. WeChat payment is considered to be a safe, reliable, and __________ way to pay in the cashless world.
4. The government promised to __________ a new system to trace the flow of the epidemic.
5. Their aim was to __________ the relationship between these risk behaviors and mental health issues in teenagers.
6. We typically __________ that when it comes to brain power, a large brain makes huge advantages.
7. Both of the convenience stores __________ round-the-clock service, and are very popular with the locals.
8. A dictionary __________ will describe the meaning of a word and perhaps its pronunciation and its origin.