单选题An __ crowd is awaiting the arrival of the famed statesman.
单选题We regret __ you that the computers you ordered are out of stock.
单选题What can be said about the varieties of horses?
单选题I saw him ______.
单选题Some of these "upside down" airmail stamps are now __ over $6,000.
单选题If you do not know the subject, you will not understand what is said or written, even if English is your mother __
单选题Travel and __ were changed when the steamship was invented.
单选题Those gifts of rare books that were given to us were deeply.
单选题Love makes the world__.
单选题He __ his office for there was no one to answer the phone.
单选题The gas-oil contact or gas-water contact_____ the lower limit of producible gas.
单选题The first step is to __ your problem and go to work on it.
单选题He is taller than ____
单选题An air ship _______ by energy from the sun has been suggested.
单选题Filters and low tar tobacco are claimed to make smoking to some extent safer, but they can only marginally reduce, not eliminate the__.
单选题Liquid water changes to vapor, __ is called evap
单选题Love can __ imperfection.
单选题. _______ his arms over his head, Lincoln declared he was the “big buck of the lick.”
单选题The crewman switched on portable flashlights as the engineer __ the scene.
单选题It was something we ________.