when是必然发生(will happen);if是可能发生(might happen) 例句: I'll take care of it when I am free this afternoon. (今天下午我有时间,我会处理。)→一定有时间 I'll take care of...
[解析]B､C｡作并列连词时,when/while用法较为特殊,二者区别是:while表两相对照;而when表突然､在那时,常见于be about to do...when和hardly...when等句型中｡ 考点二、表示原因的连词for/because/as/since 例3.He found it increasingly difficult to read, ___ his ...
[解析]B?C?作并列连词时,when/while用法较为特殊,二者区别是:while表两相对照;而when表突然?在那时,常见于be about to do...when和hardly...when等句型中? 考点二、表示原因的连词for/because/as/since 例3.He found it increasingly difficult to read, ___ his eyes...
更多内容请点击：When I'm free和If I'm free,它们的意思居然差了十条街!