I _____ you somewhere before , but your name has escaped me _____ moment . 

—The wind is always blowing here．—How I wish it ______ today．

 --What kind of apartment do you want to rent? A large one, Mr. Smith? --Er, it ________ be a large one, as my family is not large.

—Jack fell off the ladder yesterday，but he is all right now.—What a lucky dog! He________ himself badly.

Without the air to hold some of the sun’s heat, the earth at night_____very cold, too cold for us to live.