Mong mọi người giúp ----- Nội dung dịch tự động từ ảnh ----- VI.Complete the following sentences. 1.My mother closed the door carefully and then she went to work. → After........ 2. First the boys put out the fire and then they crept into the tent. Before..... 3. We have never seen this film before. →This is the first 4. We began to do the research two days ago. → We have... VII.Complete the following sentences with appropriate prepositions.
