The temperature drops_______ the sun sets.

You had better come yourself_______ send a friend.

He borrowed money_______ he could finish his education.

Some birds cannot fly well, _______, the chicken has wings, but its flying muscles are not strong enough to be useful.

We need wither a nail_______ a screw to hang this picture.

Just_______ he died, my friend who wrote poetry published his first book.

The missing piece is small, _______ nevertheless important.

The mail comes at ten o'clock every day_______ Sunday.

Beth can play the guitar_______ the violin.

I'm worried about it, and he is_______

I'm very homesick_______ a student a broad.

She closed the door_______ left for the city.

_______their small size, the cameras take good pictures.

_______few species that live on the ground, most monkeys live in tress.

Flying is not only faster, _______ safer than traveling by car.

Blindfish, which spend their whole lives in caves, have _______ eyes nor body pigments.