高三英语语法题
此题I'mgoingtothesupermarketthisafternoon.Doyouhaveanything__?
A.tobebuyingB.buy
C.forbuyingD.tobebought
与I'mgoingtothesupermarketthisafternoon.Doyouhaveanything_____?
A.tobebuyingB.tobuyC.forbuyingD.bought
有何区别?请说明一下句型!