Thailand is ______ Asian country and London is ______ European city. A. an, an B. an, a C. a, an
Look ____ Ann and Julia. They are sisters. They look ____, and they look ____ their mom.
— What are those?—_________ are flowers.
—Do you have two_________?—Yes ,I do.
下面语调调号标得不正确的是 .
—What color is the orange?—It’s _______.