1 . During the tank sweeps, Maya had been swimming playfully, but now the dolphin stopped suddenly and swam to the back part of the tank where the filter (过滤) box ________________ (locate). (所给词的适当形式填空)

2 . 垃圾污染的问题变得如此严重，世界上许多城市现在都被垃圾包围。
The problem of garbage pollution is getting so serious that many cities around the world________________．

3 . On his way to school, little Tom ________ (shadow) by a stranger last Friday. What’s worse, he found the same person standing ________ the shadow of the tree the next day, which cast a shadow on his mind. (所给词的适当形式填空)

4 . 例如，在中国三星堆考古遗址发掘的古蜀国神秘的巨目青铜像，古时的人们认为它们能够看到遥远的星空。
For example, the mysterious large­eyed, bronze statues of the ancient Shu Kingdom, discovered at the Chinese archeological site at Sanxingdui, ________________ great distances into the stars.

5 . Much of the world’s electronic waste will not be recycled, reused or even disposed of in a safe and controlled manner. Only around 17.5 percent ________________ (record) as recycled in 2019. （所给词的适当形式填空）

6 . Suzhou, considered by the Italian explorer Marco Polo in the 13th century as “the Venice of the East”, became a sister city to Venice in 1980, and since then multiple activities of mutual historical and cultural exchange ________________ (carry) forward. (所给词的适当形式填空)

7 . So far, through the remote video monitoring system and the use of BDS and other equipment, the intelligent and information­based three­dimension system of the “sky and ground” for biodiversity protection ________________ (establish). （所给词的适当形式填空）

8 . Fountain pens ________________ (use) in schools long ago and have been regaining popularity lately because they are refillable. （所给词的适当形式填空）

9 . Breathing dirty air causes the premature death of at least 1,200 children across Europe each year. Actually, many thousands more ________________ (trouble) with physical and mental health problems that could have lifelong impacts. （所给词的适当形式填空）

10 . 正如谭盾所说，中国音乐应该承载人类精神的“共同理念”，如此才能得到全世界的认可。
As Tan once said, Chinese music should carry “universal expression” of the human spirit ________________.