31.Children above 12 are able to take part in skiing or other activities____for them.
Mr Jackson was very angry to find the car he had had ______ yesterday broke down again.
Please tell me the way you thought of ________ the garden.
Every possible ________ advanced technologies to help people enjoy a better life.
We discussed where to go for the weekend, but we decided to stay at home ________.
You ________ come to his office. Our boss won’t be back until next week.