Question

英语单项选择题.会的进.Look,that's a watch.______a new watch A.It's B.T

Answer 1

选B， 我认为That's 可以省略，说成

Look,that's a watch，a new watch.

之所以没有省略可能是为了强调，强调那种惊讶或欣喜的心情。