Đúng cho 2000 xu ----- Nội dung dịch tự động từ ảnh ----- .the good 9. I (hear)... 10. They (not start).. Ex4. Read the following passage and choose the best answer for each blank. Mr. Brown and some (1)...... .are on a very dirty beach. Today they are ready to (2).. .the beach a clean and beautiful place again. After listening to Mr. Brown's instructions, they are divided into three groups . Group 1 needs to walk along the beach. Group 2 should check the sand , (3). .group 3 has to check among the rocks. Garbage must put into plastic bags , and the bags will be collected by Mr. Brown. He will take the bags to the garbage (4). . refresh this area. ..the project yet. They all are (5).. .to work hard to C. volunteering C. do C. although C. area D. volunteer A. voluntary A. make 1. B. volunteers B. get D. change 2. D. and 3. A. so B. but A. dump В. yard D. place 4. 25