The two boys, Olaf and Carl, helped their father ________ the farm.
The two boys, Olaf and Carl, helped their father ________ the farm.
A.take care
B.take care of
C.take charge
D.take advantage of
答案及解析： B
The two boys, Olaf and Carl, helped their father ________ the farm.
A.take care
B.take care of
C.take charge
D.take advantage of
答案及解析： B