i think the increasing population is one of the greatest c________英语解答

i think the increasing population is one of the greatest c_________today
2his word i_________ themselves or my money

人气：258 ℃　时间：2020-05-26 02:45:30

解答

1 challenge /conundrum 最大的挑战/难题
2 insult 他的话侮辱了他们自己或者我的钱