The two old sisters, _______ so long, held each other and burst into tears. 
#97665
A
being separated
B
having been separated
C
having separated
D
had been separated
推荐题目
Don't leave the water ____ while you brush your teeth.
#93088
A
run
B
running
C
being run
D
to run
 After describing the planned improvements, she went on _______ how much they would cost. 
#98428
A
to explain
B
explaining
C
to be explaining
D
having explained
       by the advances in technology, many farmers have set up farms on their land.
#94658
A
Being encouraged
B
Encouraging
C
having encouraged
D
Encouraged