My father has a habit of walking ________ the river for an hour in the morning.
#47939
A
between
B
along
C
over
D
through
推荐题目
. ----How do you improve your listening skills, Mary? ----I often do it _______ tapes and English radios.
#47122
A
by hearing
B
in listening to
C
by listening to
D
for listening
