It is difficult to understand this kind of _______ calculation.
A、intricateA
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。
Some linguists thought that all languages ______ and were ruled by a common grammar.
翻译：Pleaseadviseuswhetheryouironnailpackedinplywoodkegsof60kgs,netandwhetheryoucanshipourorderfromstock.
Thisisourbestprice,____whichwehaveconcludedmanyorderswithotherbuyersinyourcity.()
Wecannotentertainyoursuggestion________itdoesnotseemworkable.()
Weshalladviseyoubycableassoonasthegoods____.)
