Question 13. We should reduce the amount of garbage. We can help to protect the invironment. ( so that )
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Question 14. This morning it rained very hard. We all came to school on time. ( although )
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Question 15. The bird covered the nest with her wings. She wanted to protect her eggs. ( in order to )
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Question 16. I was very surprised at the news. She didn’t pass the exam ( passing )
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Question 17. We finished all our homework. We played some games of chess. ( before )
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