1. Hundreds of people crowded in the church for the wedding.                         
2. There remain a certain doubt among the people as to the practical value of the project.                      
3. There is a real danger which the US will not keep its position on the world economic stage if
the bad situation continues to go on.                          
4. Rather than to waste his time in chatting or playing games on the Internet, Bob borrowed lots
of books to read in the summer holidays.                         
5. What she won the champion of the Winter Olympic Games made us excited.                           
6. If you want to study the nature of the universe, first of all, you must get hang of the origin of it.               
7. It is required that every salesgirl should treat customers with a warm and friendly
manner.                 
8. The children mustn't be tired----- they just have covered
two miles.                         
9. Tom, you must make an apology to your mother. I won't have you speak to her like
that.                    
10. The children watched amazing as the fireworks set off and formed all kinds of beautiful
designs in the sky.                              

A. with
B. to
C. alongside
D. for

A. in fact
B. in advance
C. in the form of
D. actually

A. in that case
B. in case of
C. in no case
D. in case

A. to send      
B. for sending it  
C. to send it to    
D. for sending it to

A. to seeing    
B. saw          
C. to see        
D. meeting

A. long time to wait  
B. long time for waiting  
C. time of long wait    
D. long waiting time

A. to be    
B. be    
C. as    
D. Either A or C

A. above; in
B. through; with
C. around; about
D. over; of

A. at peace
B. at home
C. at sea
D. at will