Dear, what about going to the beaches for vacation? —Great! _______we’re lying on the beach in the sun, enjoying music. It must be great fun!

Is Jack still asleep in class?—I think he _______ be criticized if he goes on with it.

Fortunately, the illness is fully treatable if _____ within ten days.

He often borrows some money _____ his classmates to buy CDs. [ ]

I like the music that I can sing ______.[ ]