—You've made great progress in your studies of English,haven't you?—Yes,but much________.
All of us had a good laugh ____ that funny story.
The boy is tall ___ his age.
The old man is blind ___ the left eye.
.----Is she older than you? -----Yes, she is older than I ___ three years.
Lincoln died ____ the morning ___ April 15, 1865.