It is not clear to what extent Solvency 2 applies to their non-European subsidiaries.问:"to what extent Solvency 2 applies to their non-European subsidiaries."是固定句型吗?这是介词短语作主语吗?
...:A new kind of vehicle is taking to the roads, and people are not sure what to make of it. Is it safe?中文:种新型的汽车出发上路,而人们却不确定如何看待它。它安全吗?请问:这里的 what to make of sth 什么理解?what to 与 make of it 是分开的?
Consequently, what should be an enjoyable time can become an
imposition, as well as a disappointment at the same time.an enjoyable time can become an imposition是一个完整句子,请问前面的what should be作什么成分?
More important, people are often alone, providing a rare freedom that extends to the evocative music they choose.解析说这里more important=what is more important, 那么what is more important 这里是作为关系代词做主语引导的状语从句吗?