We shouldn’t drink ____ Coke and we shouldn’t eat ____sweets. They are not good for our teeth.

We looked at each othersurprise when we heard a bird singing “Happy birthday to you “. [ ]

Though the key was pressed, nothing ______ on the screen.

. A: Whose shirt is this? Is it Tom’s? B: No, it isn’t. ______________ is white.

I often do exercise ______ the morning, but ______ Sunday morning I watch TV. [ ]