Conditionals-Infinitive- gerund- bare infinitive B2

If space tourism ________ around when my grandad was alive, he'd definitely have gone on a flight.

It would be illegal if they (a)   (do) experiments on humans, so they are using rats.

If science lessons had been more interesting, I __________ more when I was at school.

If the driving test (a)   (not be) so difficult, there would be more accidents on the roads.

If my brother __________ his final exams, he'll be a doctor next month.

You are at risk of getting yellow fever if you _________ to many parts of Africa.

Scientists usually (a)   more accurate results if they repeat experiments several times.

They _________ a breakthrough sooner if a fire in the laboratory hadn't destroyed their experiments.

I'll write up the results this evening ________ I'm too tired.

CHECK ALL THAT APPLY:

We use these conditionals to talk about REAL situations.