单选题Even though he has lived in China for many years, Mark still cannot _____ himself to the Chinese customs.
单选题So difficult _____ that he finished it in two months.
单选题Why did you do all these calculations with a pen? You _____ them, for we have a computer.
单选题If you cannot have the best, make _____ of what you already have.
单选题The man who founded the company must be _____ a fortune.
单选题Come and see me whenever _____.
单选题George can hardly be labeled a radical; he is a man of _____ views.
单选题Those with good performance will be _____ for overseas training.
单选题The Chinese food in the United States is usually _____ for American people.
单选题The President _____ be in his office now, because he phoned me from his home just now.
单选题Suddenly _____ fire broke out in the room and everything in it was soon on _____ fire.
单选题In some areas China is _____ the developed countries, but it will take some years before we can catch up with them.
单选题If you don’t listen to me, you’ll have to _____ all the responsibilities.
单选题Our _____ talks promise a good future for our cooperation.
单选题Please don’t be _____ by his bad manners since he is merely trying to attract attention.
单选题When energy is converted from one form to another, some energy is always lost as heat. _____, no energy conversion is ever 100% efficient.
单选题He kept looking at her, wondering whether he _____ her somewhere.
单选题A remote-controlled bomb exploded outside a hotel near the town square yesterday, _____ at least 12 people.
单选题The theory of _____ was developed by Darwin and is now understood by nearly everybody in the world.
单选题At the conference yesterday, our differences were further _____. The next step is to work out a solution acceptable to both sides.