( ) My mother works _____ a bank . A. in B. on C. at
twelve________A.cap B.caps
one________A.boy B.boys
How many________?A.cat B.cats
选出不同类的一项。(20分)( )(1)A.six B.four C.is ( )(2)A.chameleon B.panda C.red ( )(3)A.blue B.I C.you( )(4)A.desk B.twelve C.chair
在美国,如果发生火灾时应该拨打:________。(5分)A.oneonenine B.ninenineone C.nineoneone