It’s not easy _________ me__________ finish walking a 100-kilometer trail within 48 hours.
#48509
A
of; to
B
for; to
C
of; for
D
for; for
推荐题目
I share the room ____my sister and we are very friendly ____each other.
#48087
A
to; to
B
to; with
C
with; with
D
with; to
