Question

—______?—She is twenty. A．What’s your grandmother’s age B．How old is your brother C．

—______?—She is twenty. A．What’s your grandmother’s age B．How old is your brother C．How old is your sister D．When is your sister’s birthday

Answer 1

C

回答语的含义是她20岁，人称是女的，问年龄可用how old，your sister指女的，故本题选C。