Join each pair of sentences, using a relative pronoun. Use comma if necessary. My classmate refused to go to the movie with me, he hate films

Join each pair of sentences, using a relative pronoun. Use comma if necessary.
1. My classmate refused to go to the movie with me, he hate films.
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2. We climbed up the mountain. we had a picnic there.
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3. Trang has just moved to hue. her father died last month.
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4. The children don't want to swim in that river. it looks very dirty.
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5. Huy is reading a very interesting storybook. you lent it to him last week.
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