----- Nội dung dịch tự động từ ảnh ----- EXERCISE 12. TÌM VÀ SỬA LỖI SAI TRONG CÁC CÂU BÊN DƯỚI. 1. They stop contacting us since 2 weeks ago. 2. Sarah and I haven't hung out last month. 3. I didn't call any customers this morning. (It's still in the morning.) 4. Jackson and Simon didn't invite us to their parties since our argument. 5. Richard has gone to the zoo every weekend when he was a child.
