1、——Mary dances best in our school. 
——I agree. I’ll never forget _____ her dance for the first time.  
A. seeing    B. to see    C. see    D. seen 

解析：正确答案为A。
本题是对非谓语动词的考察，forget后可接动词不定式和动名词两种形式，forget to do sth  . 表示―忘记要去做某事‖；forget doing sth. 表示―忘记做过某事‖。本题中―看他跳舞这件事已发生‖，故选A。 
 
2、No sooner ______ gone out than it started to snow.    
A. he had    B. he have    C. have he    D. had he 

解析：正确答案为D。
No sooner开头的要用倒装，时态也要保持一致。
 
3、Perhaps she _____ willing to join us, I thought. .
A. would be    B. is    C. must be    D. had to be  
 
解析：正确答案是A。
这道题表示的是未发生的事，所以用将来时态表示，又因为thought，所以用过去将来时。 
 
4、_____ a fine day , we decided to go out on a picnic for relaxation on the outskirts.  
A. having been    B. Being    C. What    D. It being 
 
解析：正确答案是D。
这句话是两个主语的句子，省略谓语动词的形式。
 
5. The city was plagued by traffic congestion last year，             . 
A. but it isn't this year        B. but not this year 
C. but it hasn't this year      D. but it hadn't this year                            
 
解析：正确答案是（A）。
并列句型，前后一致。plague 混乱；traffic congestion交通阻塞；
 
6. The boy             at school. 
 A. was never behaved        B. was never behaved himself 
 C. never behaved              D. never behaved himself.                             
 
解析：正确答案是：（D）。
behave 规矩，常与自身代词连用；主动语态
 
7. They            had an enormous dinner like this.  
A. rarely not have                B. rarely have not 
C. have not rarely                D. have rarely                                  
 
解析：正确答案是 （D）。
rarely，scarcely，hardly never 等已含有否定义；
 
8、 I can do it for her but I            . 
A. don't feel like it           B. don't feel like to
C. don't feel liking it         D. don't feel liked to
 
解析：正确答案是（A）。
feel like想要；不带to的不定式还有cannot but do，cannot help but do，rather than do，other than do，let do，make do等；
 
9、          ，the inhabitants fled. 
 A. The city take                B. The city having been taken 
C. Having taken the city       D. The city being taken  
 
解析： 正确答案是：（B）。
现在分词的完成式，被动态； 
 
10、 The subject ―how a motor car works‖ calls ____ an explanation , but it is completely factual.    
 A. on    B. for    C. out    D. that  
 
解析：正确答案是B。
call  for―叫(某人)来；要求，需要‖。整句话意思是―车的发动机是如何工作的这个项目需要一个解释，但是这完全是个不争的事实。