1 . Think carefully before you answer questions online. You may give ________ very important personal information. (用适当的词填空)

2 . Fireflies（萤火虫）will give ________ flashes of light when they fly at night. (用适当的词填空)

3 . You might have heard expressions like “________(差不多)” or “a ballpark estimate”. (根据汉语提示完成句子)

4 . The tiger snarled ________.(frighten)(所给词的适当形式填空)

5 . Is there a supermarket n_________where I can buy some fruits and vegetables? （根据首字母单词拼写）

6 . When the passengers get off the bus, they are reminded not to leave any of their belongings   ________. (用适当的词填空)

7 . He didn’t care about his son, let ______ his parents. (用适当的词填空)

8 . Eat the food all; _____ (否则) you’ll get hungry. （根据汉语提示单词拼写）

10 . Our goods compete in terms of product quality, reliability and__________ variety. (用 all 的相关短语完成句子)