Children under fifteen are not permitted to see such kind of film _________ is bad for their mental development.
You can smoke here ______ you leave a window open to let the smoke out.
It is usually cheaper to have the goods ______ by sea than by air.
The pianist ______ a love for music when he was a little boy.
Jack, look! Everybody is doing homework quietly. ______ you make a noise in class?
There are plenty of vegetables in the fridge. You needn’t buy ______.