Các bn giúp mk bài này vs ----- Nội dung dịch tự động từ ảnh ----- Exercise 1: Change the sentences into the passive voice: VD. They have seen these movies. -> These movies have been seen. 1. I have signed the contract. 2. These men have bought the tickets. 3. I haven’t seen him since last month. 4. We haven't finished the report. 5. I haven't done my exercise for three days.
