____ you were busy, I wouldn’t have bothered you with questions.

In international matches, prestige is so important that the only thing that matters is to avoid _____.

Shewasonceayoungcountrywifewithchickensinthebackyardandaviewof_______mountainsbehindtheappleorchard.

John's score on the test is the highest in the class ; （）he last night.

We can hear （）from the back of the room.