一般语法书认为,在“It be…that”强调结构中,如果被强调部分是状语.只能用that,不能用when或where。所以,复旦大学、上海科学技术大学合编《英语》(理工科用)第三册(修订本)第二课对“Modern ballooning was born in the 1960s, withthe development of a strong nylon balloon, yet it was almost 200 yearsago,in France,when ballooning first began.”句中的“yet it was… The general grammar book considers that in the “It be...that” emphasis structure, if the emphasized part is an adverbial, it can only use that, not when or where. So, Fudan University, Shanghai University of Science and Technology, co-edited “English” (Science and Technology) Volume 3 (Revised Edition) Lesson 2 “Modern ballooning was born in the 1960s, with the development of a strong nylon balloon, yet it was Almost 200 years ago,in France, when ballooning first began.” sentence in the sentence "yet it was...