----- Nội dung dịch tự động từ ảnh ----- G. Complete the sentences. has played (play) a violin in the orchestra before. 1.He 2.She (see) a rock concert. This is her first time. 3.1 (go) to a hip-hop concert before. I loved it. 4. (communicate) with extraterrestrials might be difficult. We wouldn't be able to talk with them. 5. (explore) the galaxy is something astronauts do. 15