Waht（ am/is/are）this 选哪个

Waht（ am/is/are）this 选哪个 Waht（ am/is/are） Waht is（缩写） is、be.am.are,哪个是单数,哪个是复数. It’s clear you are wrong. A.that B.waht 选哪个,请详细说明原因,谢谢 Waht letters are waht are you doing 用am,is,are填空：H0W（）y0U?I,mfine,thanKs·Mum,this（）m （ ）1.what____he going to do this afternoon A.are B.am C.is 填am、is、are This （）an apple.Those()oranges.Where () Tim and T this后面为什么加is,不加are或am This is why I am happy you are the ideal