—That must have been a lot of work.—Yeah, it      us three days to finish it.
#100767
A
takes
B
had taken
C
took
D
was taking
推荐题目
 A new Wanda cinema _______ here. They hope to finish it next year. 
#99667
A
will be built
B
is built
C
has been built
D
is being built
The flowers were so lovely that they ______ in no time. 
#101048
A
sold
B
had been sold
C
were sold
D
would sell
In the past 5 years a great deal of money _____ improving the environment of the school.
#103617
A
is spent
B
has been spent
C
was spent
D
had been spent