She didn’t pass the exams because she________ her lessons well.
—Now that you like the house with a garden, why not buy it? —Well, I can’t afford ________ house at present.
—I didn’t do well in this English examination. How about you? —I did ________ you.
—I wonder why Mary is so unfriendly to us. —She is ________ than unfriendly, I’m afraid.
Speaking of all the songs he has written, I think this is probably his ________ one.
After two years’ research, we now have a ________ better understanding of the disease.