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单选题The tiger eats men ________.
单选题The American expression" burning your bridges' means acting in such a way which you de stroy any chance of turning back or changing your actions. It gets its name from war. An army that is forced back across a river may decide to burn the bridge 41 crossing it. In this way, the army 42 its enemy from using the bridge. 43 , the army also destroys its own chance to 44 back across the river. Most people who" burn their bridges today don't 45 the army. But 46 those armies, they move in a different direction with 47 chance of turning back. There is one other 48 that all bridge burners should not forget. It is a warning. "Don't cross your bridges 49 you come to them. "The meaning is clear: wait until the right time before you 50 .
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单选题Lucy knew nothing about it ______ her sister told her.
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单选题______ I've read this book, you can have it. A. Though B. Until C. Since
单选题What made Rowland Hill think of the idea of using stamps?
单选题Tom has ______.
单选题I __________ my English book in reading-room. Please go and get it for me.
单选题What'stheweathertoday?
单选题Which is TRUE about the Maryland Science?[A] Visitors can play and learn at the same time.[B] It helps visitors travel to other countries.[C] It can be visited 24 hours a day.
单选题My mother ______ off the bike and broke her leg on the ground.
A. falls
B. was falling
C. fell
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单选题John spent two hours ______ a picture.
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单选题Ann is in ______.