—What’s this?—It’s __________ UFO.A.a B.an C.the
——_____ wonderful news report he wrote! ——Yes, and I think it is well worth.
I never doubt ______ his advice is of great ______ to me.
The Smiths ______ sending e-mails ______ letters because it is faster.
This pair of jeans looks nice_____ Lucy because she looks nice.____ blue.
——This is film I’ve told you about. Isn’t itwonderful one? ——Yes, it’s great.