He usually plays at the park __________ Sunday.A. in B. at C. on
His father is a police _____.A.poseman B. office C. officer
How many ____ are there ?A.mouse B.mouses C. mice
Are you__about your little son?A.woorried B.worry C.worryed
选出不同类的单词( )(1)A.sad B.worried C.mouse ( )(2)A.grass B.sunny C.rainy( )(3)A.count B.go C.deep( )(4)A.deep B.take C.feel
Everyone____happy!A.am B.be C.is