In order to learn the _______ of the family business, Bill took a job as messenger boy in one of the offices.
#7222
A
ins and outs
B
dos and don’ts
C
heads and tails
D
t’s and i’s
推荐题目
Next week there will be a basketball match between the ________ and the ________of our school. 
#5077
A
woman teachers;girl students
B
woman teachers;girls students
C
women teacher;girls student
D
women teachers;girl students