1 . It would be a great ________ (lose) if we do not seize this opportunity. (所给词的适当形式填空)

2 . He suffered a gradual ________ (lose) of memory. (所给词的适当形式填空)

3 . I tried to find my way in London without a______(lose). (所给词的适当形式填空)

4 . The hurricane-driven wildfires made Maui people suffer a great _________(lose). (所给词的适当形式填空)

5 . Disadvantages of technology development include increased loneliness, potential addiction and job ________ (lose). (所给词的适当形式填空)

6 . Her department is a big _______ (lose) to the school. （所给词的适当形式填空）

7 . The government turned ______ the UN for help and established a committee to prevent the ______ (lose) of cultural heritage.（用所给词的适当形式填空）

8 . When he was at a _______, he was lucky to hear a nice voice from a loud speaker announcing that his_______ luggage was found.(lose) (所给词的适当形式填空)

9 . The whole world’s economy suffers a great ________ (lose) due to Covid-19. (所给词的适当形式填空)

10 . Many parents feel a sense of ______ (lose) when their children leave home.(所给词的适当形式填空)