-This kind of sports is exciting.
-Yes, but it's dangerous. One can't do it_______ he or she has got some training.
D
暂无解析
-I'mafraidacaristooexpensiveforme.
-ButmoreandmoreChinesecan_______tobuyone.
Shehadtosellthehouseeventhoughitwas_______(违背)herownwishes.
Thankyouforthe_______thatyougavemewhenIfeltEnglishtoodifficulttolearn.
句子翻译：让我一个人待着，以便我能想出一个好主意。
Whoseeraseristhis?
--It's________.