1. Scarcely such an exciting football match. 
　　A. have I ever seen
　　B. I have ever seen 
　　C. saw I
　　D. I saw 
　　2. It was in the name of freedom Kennedy led his country deeper into its cruel, hopeless war in Vietnam. 
　　A. when
　　B. as 
　　C. while
　　D. that 
　　3. ______ , we went out for a swim in the lake. 
　　A. The day being hot
　　B. It was hot 
　　C. It is hot
　　D. The day was not 
　　4. Most people have come to realize that it is about time the government further measures to control the population. 
　　A. must take
　　B. is taking 
　　C. takes
　　D. took 
　　5. It has been estimated that the earth′s surface temperature has increased one quarter to three fourths of a degree since 1850. 
　　A. by
　　B. at 
　　C. to
　　D. with