The report focuses social problems . какой вертикаль вставить? a) on b) at c) to d) in

Думаю, что ответ а)on

I think this is a) on

1. She usually wears trainers every day, but now she wear high heels
    She wore trainers all the last week, but today she wear high heels.
2. He usually watchs TV every day, but today he read a book.
    He read a book every day, but this evening he decided to watch TV.
3. They usually wear blue shirts every Sunday, but today they wear the green ones.
    They wore blue shirts last Friday, but now they wear the green ones.
4. We usually go swimmig every Saturday, but today we have a panic.
    We usually go swiming every week, but we had a panic the last time.

1If you … (looked) both ways before crossing the street, you wouldn’t have been knocked down. 2 If I (were) you, I would phone my mother tonight. 3 If he hadn’t stopped the car, he … (would have had) an accident. 4 I … (would give) some money to charity if I won a competition. 5 Unless we … (leaves) now, we’ll be late. 6 Your friend wouldn’t have phoned if you … (had not met) her in the street. 7 If I hadn’t woken up early, I … (would have been) late for work. 8 If I … (had ) more time, I would tidy the garden. 9 If John … (phones), can you take a message. 10 If I were you, I … (would get) someone to help me.