1 . He gave her a b________ look as if he had no idea who she was. （根据首字母单词拼写）

2 . He climbed up the tree and hid among the b________ (树枝). (根据中英文提示填空)

3 . I lost my ______ (平衡) and fell on my face. (根据汉语提示单词拼写)

4 . You should keep a b______between work and relaxation. (根据首字母单词拼写)

5 . I don’t like swimming;________(此外，而且), the water is too cold. （根据汉语提示单词拼写）

6 . He can’t be allowed to ________(举止) like that; I meant to say, he’s a grown man. (根据汉语提示单词拼写)

7 . They planned to keep a low ________(预算) by living on instant noodles. (根据汉语提示单词拼写)

8 . Singapore has decided to put on a b________ on smoking in public places. (根据首字母单词拼写)

9 . Sarah chose to take the stairs and when reaching the 20th floor, she felt out of b___________. (根据首字母单词拼写)

10 . Take care of your ________(所有物) when you are at the train station. （根据汉语提示单词拼写）