Which word or phrase should be deleted? Mom has to descend down the basement stairs to do the family laundry.
A.descend
B.down
C.to do
D.has to
正确答案:down
Which word or phrase should be deleted? Mom has to descend down the basement stairs to do the family laundry.
A.descend
B.down
C.to do
D.has to
正确答案:down