If James ___ driving so carelessly, he will have an accident.
If he ___ the window, the thief would not have got in.
Their park would be tidier if everybody___ their rubbish in the bins.
If you___ afraid of heights, I'd take you on a helicopter ride with me.
If we __ Italy next year, we'll go on a tour of all the important historical sites.
If he __eat so many sweets, he would not have to visit the dentist so often!