I. Rút gọn các mệnh để trạng ngữ có trong câu sau Question 1. They visited several famous landmarks when they travelled to Thailand. __ Question 2. Before they made the decision, they had thoroughly researched all available options. __ Question 3. After they had resolved the issue , they proceeded with the plan. __ Question 4. Because she felt unwell, she didn't attend the party. __ Question 5. Although my colleague was tired, she continued working to meet the deadline. __ Question 6. He hadn 't listened carefully to the question, so he couldn't give a satisfactory answer. __ Question 7. If my plants had been watered regularly, they wouldn't have died. __

1. Mệnh đề trạng ngữ "when they travelled to Thailand" được rút gọn thành "on their trip to Thailand".<br />2. Mệnh đề trạng ngữ "Before they made the decision" được rút gọn thành "After careful consideration".<br />3. Mệnh đề trạng ngữ "After they had resolved the issue" được rút gọn thành "Once the issue was resolved".<br />4. Mệnh đề trạng ngữ "Because she felt unwell" được rút gọn thành "She was feeling unwell".<br />5. Mệnh đề trạng ngữ "Although my colleague was tired" được rút gọn thành "Despite being tired".<br />6. Mệnh đề trạng ngữ "He hadn't listened carefully to the question" được rút gọn thành "He didn't pay attention to the question".<br />7. Mệnh đề trạng ngữ "If my plants had been watered regularly" được rút gọn thành "My plants would have thrived with regular watering".