My father walked _____ in the room, look
题型:选择题
问题:
My father walked _____ in the room, looking as if he was thinking over something.
A.now and then
B.up and down
C.again and again
D.over and over
My father walked _____ in the room, looking as if he was thinking over something.
A.now and then
B.up and down
C.again and again
D.over and over