给问句选择恰当的答语
⑴Did you buy some water ?{#blank#}1{#/blank#} A、I helped my mother .
⑵What happened to your head ?{#blank#}2{#/blank#} B、They are my grandparents .
⑶What did you do last Sunday ?{#blank#}3{#/blank#} C、No , I wasn't .
⑷Were you at home yesterday ?{#blank#}4{#/blank#} D、No , I didn't .
⑸Who are they , Lingling ?{#blank#}5{#/blank#} E、I fell off my bike and bumped my head .