Most dog owners believe their dogs experience guilt,but animal behaviorists say the “guilty look” of a dog is simply a reaction to you and that dogs lack the ability to feel shame. Alexandra Hor
He demanded that the laboratory report ___ immediately after the experiment was done. A. was written B. be written C. must be written D. would be writt
--- Have you got the news about Jack? I haven’t seen him for many years. --- He _____ in a company for two years. Now he is a teacher. A. worked B. has worked C. had work
