Itisdifficulttounderstandthiskindof_______calculation.
A
参考译文：很难理解这种错综复杂的计算。 intricate 错综复杂的，纠缠不清的; varied 不同的，种种的; indispensable不可缺少的，绝对必要的; equable 变动甚少的，稳定的。
Itisdifficulttounderstandthiskindof_______calculation.
—— We have to stop talking here outside. Listen, _______! —— Hurry up, or we’ll be late
_______thefirstlanguageisusedintheteachingofthesecondlanguageintheGrammar-TranslationMethod.