1 . The devoted mother is greatly concerned with her children, ________, she has won great success in educating them. (用适当的词填空)

2 . My cousin promised his mother never to lie to her, _______, he did so again. (用适当的词填空)

3 . Playing on a frozen sports field sounds like a lot of fun. Isn’t it rather risky, ________? (用适当的词填空)

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

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

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

8 . He was ____________ eager to know the result of the examination. (用适当的词填空)

9 . It is generally believed that you can’t be ____________careful when crossing the street. (用适当的词填空)

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