听音,选出句子中所含有的字母或单词。 ( )(1)A. BEC B. BDC C. DBC ( )(2)A. efi B. ife C. ifg ( )(3)A. father B. brother C. mother ( )(4)A. family B. funny C. really ( )(5)A. come in B. come on C. welcome ( )(6)A. dad B. dog C. duck ( )(7)A. mom B. man C. me ( )(8)A. grandpa B. grandma C. grandmother ( )(9)A. great B. green C. grandpa ( )(10)A. she B. he C. we