He is a key witness in this case．

Many people witnessed the accident．

People have made a long search for the cause(s)of malaria．

I searched everywhere for the book．

I was puzzled to see her behaving like that．

We can see from his puzzled look that the problem is really difficult．

汉译英

1．老师把奖品赠给那位用功的学生。(present)

________________________________

2．我现在已经还清了所有的债务。(pay off)

________________________________

汉译英

1．孩子们对周围的每件事都很好奇。(curious)

________________________________

2．他对自己处理这件事的能力很有信心。(confidence)

________________________________

汉译英

1．在那场可怕的撞车事故中, 只有一名婴儿生还。(survive sth．/car crash)

________________________________

2．他一定会失去这份工作的。(It’s certain that)

________________________________

汉译英

1．这场事故导致两名乘客死亡。(result in)

________________________________

2．我们坚信质量比数量更重要。(quality/quantity)

________________________________

汉译英

1．他设法成功地通过了高考。(manage to)

________________________________

2．他所坚持的那个理论被证明是正确的。(prove/stick to)

________________________________