1 . Nina recently finished her year-long series of runs in Chicago, ________housands were attending a water conference.(用适当的词填空)

2 . The team now wants to find out________dogs have a similar emotional response when reunited with other dogs.(用适当的词填空)

3 . When________(see) from afar, the mangrove forests appear more splendid.(所给词的适当形式填空)

4 . I turned up at the appointed hour for a dinner, only to find that no other guest________(arrive) and my hostess was still in her sleeping suit.(所给词的适当形式填空)

5 . But the determined young man refused to let his condition prevent his thirst ________ life and decided to take on a range of sports — tackling everything from rock climbing, football, ice hockey to swimming.（用适当的词填空）

6 . The American superstar ________ (spot) with a young physically-challenged Qatari boy, Al Muftah. The boy was born with a rare condition known as CRS. （所给词的适当形式填空）

7 . During the opening ceremony of the 2022 FIFA World Cup, there was a surprise________ (appear) by Hollywood actor Morgan Freeman. （所给词的适当形式填空）

8 . “I love hanfu. I’ve made many videos, ________ (aim) to help more people learn about it,” Wang told Beijing Review.(所给词的适当形式填空)

9 . In the experiment, the-researchers first /measured how many tears________ (produce) by dogs when they were just spending time at home with their owners.(所给词的适当形式填空)

10 . In this case, cool evening air is a slightly different temperature than the solar cell in the panel. That becomes energy, ________is transformed into electricity.(用适当的词填空)