Task 04. Combine each pair of sentences using "S + be + adj.+ that-clause" ((Nối hai câu sử dụng cấu trúc "S + be + adj. + that-clause".)
1. They had passed the exams. They were relieved about that.
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2. Non-academic subjects are also significant. The teachers are aware of this.
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3. Viet Nam has good potential for tourism. She is confident of that.
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4. A new railway track was being built through the village. The residents were annoyed at that.
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