It’s difficult for college students to have a train seat during holidays, so they are advised to make seat ________ well in advance.                     
#6616
A
observations
B
reservations
C
preservations
D
conservations
推荐题目
The old man gave ______ on behalf of an accused person.
#6144
A
word
B
money
C
proof
D
witness.
 Miss Smith is a friend of________.
#6897
A
Mary’s mother’s
B
Mary’s mother
C
Mary mother’s  
D
mother’s of Mary