He always tells funny things to me and always ___________.
—I feel really tired. —______.
—Can you tell the differences between these two pictures? —Differences? Oh, no. They look quite ______.
—What were you doing when we were playing basketball yesterday afternoon? —I ______ the classroom.
______ our teacher was ill,______ she still came to our class to teach us.
—Could I borrow your camera(照相机)? —______, but please give it back by Saturday.