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Grammar Exercise 1. Complete each of the following sentences with an appropriate gerund of the verbs from the box. (Hoàn thành mỗi câu sau với một danh động từ thích hợp của các động từ trong khung.) Gợi ý: 1. listening 2. bending 3. behaving 4. meeting 5. spending 6. waiting 7. starting Exercise 2. Complete each […]