Liu Yun's hair is 18cm.Chen Jie's hair is 4cm shorter thanLiuYun's.How long is Chen Jie's hair?A.14cm. B.15cm. C.16cm.
_______ do you want?
—The trousers are $30. —I’ll take_______.
—_______can I do for you? —Yes, please. I want a T-shirt.
—What’s three and twenty-seven? —It’s_______.
The yellow dog is than the black dog. ( ) A.thiner B.thin C.thinner