（单词翻译:单击）
Unit 1 时态、语态(七)
19. This kind of glasses manufactured by experienced craftsmen1 _____ comfortably.
A. is worn
B. wears
C. wearing
D. are worn
20. By the time you get to New York, I _____ for London.
A. would be leaving
B. am leaving
C. have already left
D. shall have left
21. The article suggests that when a person _____ under unusual stress he should be especially careful to have a well-balanced diet.
A. is
B. were
C. be
D. was
答案：
19. B
译文：这种由有经验的匠人做的眼镜戴着舒服。
本句是英语中某些动词以主动形式表示被动含义的用法。英语中某些动词与副词连用，以主动形式表示被动含义。常用的这类动词有wash, write, sell, lock, shut, clean等；常用的副词有easily, well, quickly, smoothly2等。例如：
This pair of trousers wears well ．这条裤子很经穿。
These clothes wash easily ．这些衣服很好洗。
20. D
译文：你到达纽约时，我将已经动身去伦敦了。
本句是将来完成时的用法。by the time … 意为“截止到… … ”，所引导的从句表示一个将来时间点。主句表示在这一时间点之前完成或发生的动作，故用将来完成时。
21. A
译文：该文建议说：人处于极度的压力时，应该特别注意饮食平衡。
本句是主从复合句中时态的用法。suggest 表示“建议”时，后接的宾语从句用should 型虚拟语气，should可省去。但如果suggest等词后是主从复合句结构，该从句用正常时态，而宾语从句要用虚拟语气结构。例如：
The professor recommended that before she was enrolled3 at the university she study another foreign language.
