2 . Tom explained to his teacher the reason ________he came late. （用适当的词填空）

3 . 阅读下面材料, 在空白处填入适当的内容（1个单词）或括号内单词的正确形式。

Litter is everywhere, doing great harm     1     the environment and life on our planet. Jeff Kirschner, who wants to build a litter-free world, started a global community named Litterati     2    (settle) this problem.

The story began with his 6-year-old daughter. One day they were going on a hike when the girl noticed a broken plastic tub (浴盆) in a river. She said, “Daddy, that doesn't go there.”That took Kirschner by surprise. He, like many adults, had become so used to seeing the rubbish     3    (throw) around them that he hadn't given it a second look.     4     his daughter said reminded him of the serious problem our planet faces.

Jeff started to take     5    (act). He created Litterati, an app that makes it fun to pick up litter. The idea is     6     (fair) simple: Spot a piece of trash, take a photo, post the photo online and then put the litter into dustbins.

    7    (see) that Jeff was keeping a record of the positive impact he was having on the planet, people worldwide started participating. Up to now, over 2,500,000 photos     8    (post) by 3,500 people from over 40 countries have found their way to Litterati's digital landfill.

Litterati is more than an app. It is highly     9    (effect) solution to a pressing issue. Wherever you live, whatever you do and     10     you are, join Litterati to make the world a cleaner and healthier place to live in.

4 . I grew up in the small village ________I was born. （用适当的词填空）

6 . While AI enthusiasts promise us a bright future where intelligent robots ________ (work) to our advantage, these undoubted benefits also bring concerns and fears. （所给词的适当形式填空）

7 . 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

On Saturday night, a five-person team of the Chinese e-sports club, with the full name EDward Gaming,     1     (win) the 2021 League of Legends (LoL) World Championship in Iceland. The team has made very good use of the opportunity     2     (share) Chinese culture with the world. At the beginning of the championship, the members of EDG displayed Tai Chi martial arts, launching a “Chinese hurricane” there.

With the popularity of digital technology, new forms of cultural exchanges have been emerging, of which e-sports are of the     3     (hot). Unlike texts and videos, e-sports are understandable around the world, with the barriers of language     4     (break) down. Also e-sports appeal most to those in     5     (they) early 20s, as shown by the celebrations of college students on Saturday night,     6     in turn makes them a good bridge of communication between Chinese youngsters and their peers around the world. More     7    (important), the e-sports industry is sustainable in spreading Chinese culture, as the large audiences mean huge commercial potential.

As early as 2019, Hainan province announced its plan of building     8     international e-sports center. On Nov 5, the 2022 Asian Games Committee announced it had listed eight e-sports     9     events in the Games. As more Chinese star gaming clubs and teams appear, the industry     10     (expect) to further grow and continue spreading Chinese culture to the world.

8 . Everyone was silent, ________ (wait) to see who would be called upon to read his or her paragraph aloud. （所给词的适当形式填空）

9 . With everything ________(arrange)for his family, he went to the front to prepare for setting up a man-made satellite. （所给词的适当形式填空）

10 . People use plastic in their daily life, __________ (leave) large amounts of waste.（所给词的适当形式填空）