Помогите по английскому пожалуйста
1. In each sentence pair, tick the correct one.
1) a) If you read in bed, you will ruin your eyes.
b) If you will read in bed, you will ruin your eyes.
2) a) We won`t go to the film if they arrive in 5 minutes.
b) We won`t go to the film unless they arrive in 5 minutes.
3) a) If he studied more, he would pass the exam.
b) If he studied more, he will pass the exam.
4) a) If I was rich, I would take a trip around the world.
b) If I were rich, I would take a trip around the world.
2. Which rule is true for Present Perfect Tense?
a) for recently completed actions (without a definite time);
b) for temporary or incomplete actions in the past;
c) for an action which began in the past and was still happening when another action started in the past;
d) to emphasise the order in which events occurred