7A English File Upper Intermediate
My leg hurts so much. I think I __________ it. (perhaps I have broken it)
might/may/could have broken
The gate’s open and the dog has gone. We __________ it open when we went out. (I’m sure we left it open)
must have left
The cake’s burning! You __________ the oven on too high. (you definitely put the oven on)
must have put