1 . Health experts said the study proved that whole grains were ________(有益的) to health. （根据汉语提示单词拼写）

2 . I eagerly check my phone for comments and each like b________ my confidence. （根据首字母单词拼写）

3 . A mere 2% of their b______ has been spent on the publicity (宣传). (根据首字母单词拼写)

4 . Customers will receive a free notebook as a b______ with any order over $30. (根据首字母单词拼写)

5 . Although studying abroad can bring great __________(好处), I think the disadvantages for young people are greater.（根据汉语提示单词拼写）

6 . It’s important to keep a b__________ between work and relaxation.

7 . Chemical fertilizers kill the helpful __________(细菌) and pests as well as the harmful ones.

8 . You need to write a story b________ (以……为基础) on given pictures. （根据中英文提示填空）

9 . She’s been b________ from driving for six months for drunk driving. (根据首字母单词拼写)

10 . A famous writer wrote a b ______ (传记)of the respectable president.