It must have taken a long time to _______ all the facts of these old books.
#66913
A
dig out
B
take out
C
break up
D
take apart
推荐题目
---Are you a teacher?      ---No, but I _______.
#65853
A
used to
B
used to being
C
used to be
D
was used to
He was lucky that he escaped _______.
#64800
A
to punish
B
being punished
C
punishing
D
to be punished