______ are you buying so much food?—Because your uncle is coming for supper.

On weekends, I often go to movies _____ my friends.[ ]

Miss Smith never wastes money on anything too expensive, even though she can ________ to. – Yes, she does. She has given much of her money to charities.

That was a terrible night . The rain was pouring down, _________ thunder and lightning.

Listen! Is that Linda singing in the next room?— No, it ________ be her. She is still in Shanghai.