I had _____useful umbrella when it rained.
下列表达正确的是 A.onebag B.threeboys C.tenboy
--What’sinthebag? -There_______apen,tenbooksandadictionary. A.am B.is C.are
Theseare_________ A.foot B.feet C.foots
There________booksinmydesk. A.isn'tany B.aren'tanyC.amnotany
It’s_________hand. A.aB.an C.two