The hard life in the mountainous area he has adapted to ____ a real challenge to anyone. 
#101841
A
mean
B
means
C
meant
D
meaning
推荐题目
I _____ Wang Tao in the street yesterday. We _____ each other since he went to Beijing.
#102024
A
met, didn’t seen
B
have met, hadn’t seen
C
met, haven’t seen
D
met, hadn’t seen
Two years has passed since I ______you the first time.
#102532
A
meet
B
have met
C
met
D
had met