1. The old man,　　　　 　(work) abroad for twenty years, is on the way back to his motherland.

4. Look at the flowers. They 　　　　　　watering.

3. I don’t think you 　　　　　　to worry about this.

2. All passengers are 　　　　　　to show their tickets.

1. I don’t　　　　 　my daughter taken out after dark.

4. These facts 　　　　　　show that he’s not to be trusted.

B. need/want/require

3. The old man lives 　　　　in a 　　　　　　small mountain village.

2. She gets 　　　　　　now that all the kids have left home.

A. lonely/alone

1. I’m not 　　　　　　in thinking so.

8. You should be more 　　　　　　(体谅的) towards young people on this issue.