-
难度:
基础
宣布,声明
错误选项:big top,spoil,equilateral triangle
-
难度:
精通
直到此时;迄今
错误选项:old girl,plumb bob,injury
-
难度:
精通
退热药
错误选项:barefooted,spikes,at the drop of a hat
-
难度:
基础
警戒着
错误选项:coevals,barking,word of mouth
-
难度:
进阶
零;无
错误选项:contain,empiric,ladle
-
难度:
基础
不可避免的
错误选项:unreadable,illiberal,double as
-
难度:
进阶
考虑
错误选项:tell it like it is,program library,leach
-
难度:
未分级
n.千克;公斤
错误选项:keynotes,scholarly person,defalcate
-
难度:
基础
滚筒,滚轴
错误选项:examination,ground crew,as the case might be
-
难度:
进阶
替代
错误选项:ineptness,rustles,on hand