英语试题解析：1.The singer and the dancer ---- our evening.A.is to

英语试题解析：1.The singer and the dancer ____ our evening.A.is to attend B.are to attend C.were to attend D.is attend(为什么不选C?)2.Are the shop's goods ____ on ____.A.are…showed B.is…show C.are…show D.is…showed为什么不选A?）3.____ under the chair?Two balls.A.Where are B.Where is C.What are D.What's(为什么不选C?)4.I'll visit ____ next Sunday.A.the Smith's B.Smiths C.the Smiths' D.the Smith(为什么选B?)