---- Is that pen? ----- No, It is eraser.A. a; a B. a; an C. /;an
-----Whose T-shirt is this? ----- It _______ be John’s. It’s _______ small for him.
I’d like to go swimming _______ the water is too cold.
I met her _______ a cold winter morning in the street.
Mrs Smith has got _______ instead of getting any better.
--_____________ -- I can’t move the box. Can you help me?