Bài tập 1: Hoàn thành những câu sau sử dụng cụm từ hay mệnh đề chỉ mục đích. 1. He climbed the tree _____________ get a better view. 2. You should get up early _____________ you will have time to review your lesson. 3. Some young people like to earn their own living ______ they will be independent of their parents. 4. We should do morning exercises regularly _____________ improve our health. 5. We should take advantage of the scientific achievements of the world _____________ we can develop our national economy. 6. Every people in the world must unite their efforts _____________ maintain and protect peace. 7. She put on warm clothes _____________ she wouldn’t catch cold. 8. He hurried to the station _____________ miss the train. 9. She locked the door _____________ be disturbed. 10. He hurried ___________ he could catch the train. Bài tập 2: Chọn từ hoặc cụm từ thích hợp để hoàn thành những câu sau. 1. We have to start early ___________ we won’t be late. A. so that B. that C. because D. because of 2. He worked hard ___________ they could pass the final examination. A. since B. because C. in case D. so that 3. He took his seat quietly ___________ A. so as not to disturb their conversation B. so as to disturb their conversation C. in order not disturb their conversation D. in order for him not to disturb their conversation 4. He was looking for an eraser ___________ he could erase a mistake in his composition. A. because B. therefore C. so that D. however 5. We have studied hard ___________ we will be well prepared for the examination. A. because B. since C. so that D. in case