题目内容

请根据句意从方框中选择合适的词,并用其适当形式填空,使句子通顺。

 

useful     pollute      two     careful     safe

 

 

 

1. John always does his homework ______________ in order not to make any mistakes.

2. It’s ______________ to find any excuse when you do something wrong.

3. The factory makes a new type of cars which produces less air ______________.

4. All the victims were saved and taken to ______________.

5. We all know Mother’s Day is on the ______________ Sunday of May.

 

【答案】

1. carefully  2. useless       3. pollution  4. safety       5. second

【解析】略

 

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