1 . World Environment Day is a UN Environment-led global event, ______ takes place on June 5 every year and is celebrated by thousands of communities worldwide. （用适当的词填空）

2 . This year, the 13th Spring Festival Joint Exhibition of Chinese Books, ______ theme was “Reading China”, was held on January 24th in 85 bookstores worldwide. （用适当的词填空）

3 . She received many gifts for her birthday, all of ______ are thoughtful and well-chosen.(用适当的词填空)

4 . “Chinese New Year Paintings” is another Xiqu animation in __________ traditional costumes and New Year painting elements are combined through puppetry. (用适当的词填空)

5 . The bikes even has a motor, ______ can help with high hills or at times when few kids on it. (用适当的词填空)

6 . It was finally completed in 1928, by ________ time it was considered out of date and revisions began at once. (用适当的词填空)

7 . I often go shopping with my parents on weekends, ______ I enjoy very much because it offers a chance for us to exchange ideas while shopping. (用适当的词填空)

8 . The exhibit before you is a set of musical instruments called chime bells, _______ were unearthed in Hubei Province in 1978. (用适当的词填空)

9 . “It’s called a longevity tree in Qiandongnan, ________ implication of hope matches China’s boosting space industry.” she said. (用适当的词填空)

10 . In Paris, Isabella became close friends with one of her classmates, Julia Gardner _______ family was from Boston Massachusctts. (用适当的词填空)