—That must have been a lot of work.—Yeah, it ________ us three days to finish it.
#99760
A
takes 
B
had taken
C
took 
D
was taking
推荐题目
 The Adventures of Huckleberry Finn, _______ the USA in the mid 19th century, _______ a masterpiece.
#99221
A
set in; proves
B
setting in; is proved
C
is set in; proves
D
was set in; is proved
My friend, Tom, left New York in 1976 and       since then.
#103438
A
hadn’t been heard of
B
hasn’t been heard of
C
hasn’t heard of
D
hadn’t heard of
Senior 3 life __________ long-time study and occasional relaxation .
#102668
A
is consisted of
B
consists of
C
is consisting of
D
has been consisted of