题目内容
—— Hurry up. The bus is coming!
—— Oh, no, we mustn’t cross the street ______ the traffic lights are green.
A. after B. since C. when D. until
D
【解析】
试题分析：考查连词。句意：快点，车来了。不，直到绿灯时我们才能过马路。After在……之后；since因为，自从；when 当。。时候；until直到……；这个题目中考查not…until 直到……才，所以选D 项。
考点：考查连词。
综合填空。用方框中所给的单词的正确形式填空，使短文正确通顺，每词限用一次（每小题1分，共10分）
when, need, die, important, how, if, become, without, tired, hot |
Of all the things we eat and drink, water is the most__1.____. Not many people understand this, but it is quite true. The man’s body can go__2.____ food for a long time, but two or three days without water usually makes people___3._____.
Many people don’t understand how much water the man’s body __4._____ and they don’t drink enough, especially (特别) in ___5.____ weather. Most people drink when they feel thirsty. They often need more water especially ___6._____ they have sports.
____7.__ we don’t have enough water, we may feel ___8.____ and may ___9.____ ill. Now you can see__10._____ important the water is.