Selecting a proper personal computer is no easy task because technology _____ so rapidly.A will change B will have changed C is changing D has changed
—Have you been here long? —_________.
—Shall I invite Tom to my party? —Yes,it will be nice if you_________.
.Either Joe or Rose was the last to leave the lab yesterday.But I’m not sure_________.
—What’s the matter with John? —He didn’t pass the test but he still_________.
—Have you ever seen any milu deer? —No,but I wish I_________.