询问别人的年龄,你应该说:________A.How old are you? B.How are you?
( ) ____ will buy one in a shop . A. We B. Us C. Our
( ) That is ______ apple . A. a B. an C. none
( ) I can ____ it . A. do B. does C. doing
( ) It is ____ watermelon . A. an B. a C. none
( ) I’ll buy one ____ you . A. to B. of C. for