1 . 打游戏很好玩，但过后我却感到更加疲惫不堪!
Playing online games was fun, but I felt even more _______after wards!

2 . It is necessary for teenagers to learn first-aid techniques. (英译汉)

3 . 根据语境，选择下框中的单词替换句中划线部分的单词或短语，使之意思一致。

elegant        present        suspect        tremendous       engage        qualification          characteristic

1. In his speech, he mentioned Pearls Buck, to whose works Chinese farmers are a typical feature.
2. You must show your passport to the customs officers.
3. Actively involve yourself in voluntary work and you will see what a difference it will make to your future life.
4. Studying abroad can cost enormous amounts of money.
5. The police doubted that he had a part in the jewel robbery.
6. She has the competence for teaching English.
7. The seafood restaurant with precise French service will have extra space in its graceful dinning room because of social-distancing rules.