He _____look happy when we were there.
My parents always go to work_____7:20 a.m. A. in B. on C. at
I often play ping-pong ________ my friend.
___________ is the first month of a year.
-- When is Tree Planting Day?--It’s ___________ March.
找出不同类的单词,将序号填在括号里。( )⑴A.Monday B.Tuesday C.May Day( )⑵A.April B.autumn C.August ( )⑶A.season B.summer C.spring( )⑷A.sometimes B.always C.sports( )⑸A.snow B.sunny C.rainy