根据括号内的要求，写出单词的正确形式

1．fly ________(动词的过去式)

2．my ________(反身代词)

3．little ________(比较级)

4．think ________(动词的过去式)

根据括号内的要求，写出单词的正确形式

1．pollute ________(名词)

2．come ________(动词的过去式)

3．bored ________(动词)

4．impossible ________(反义词)

根据括号内的要求，写出单词的正确形式

1．casually ________(形容词)

2．toothbrush ________(名词复数)

3．predict ________(名词)

4．pleasant ________(反义词)

用恰当的介词或副词完成下列句子

The book was written in a style appropriate ________ the age of children．

用恰当的介词或副词完成下列句子

Her father’s behavior ________ her was wrong．

用恰当的介词或副词完成下列句子

The grey squirrel was introduced ________ Britain from North America．

用恰当的介词或副词完成下列句子

He started a campaign to discourage teenagers ________ smoking．

用恰当的介词或副词完成下列句子

Most parents are proud ________ their children．

用恰当的介词或副词完成下列句子

Sending a man ________ space was a dream for China for many years．

用恰当的介词或副词完成下列句子

The heroes’ names will go ________ in history．