1. We don't know why so many people in that region__________________________(喜欢穿那种颜色暗淡的衣服).

　　2. He must have had an accident, __________________________(否则他那时应该已经到达这里了).

　　3. The growth of part-time and flexible working patterns, and of training and retraining schemes, _________________________________(允许更多的女性利用工作机会).

　　4. I didn't know the word, so__________________________(我得查字典).

　　5. There are signs__________________________ (餐馆变得更受许多家庭的欢迎了).

　　Unit 4

　　1. like to wear dresses of sueh dull colors

　　2. or he would have been here

　　he must have had an accident,

　　If I were you, I would study hard.

　　If I had studied hard, I would have passed the exam.

　　If you were to go to the party, you would enjoy it.

　　If I had studied hard, I would pass the exam now.

　　Without / But for your help, I would not have succeeded.

　　Were I you, I would study hard.

　　3. allows more women to take advantage of employment opportunities

　　4. I had to refer to a dictionary

　　5. that restaurants are becoming more popular with families

　　be popular with

【责任编辑：木叶下】