I suppose that when I come back in two year’s time all these old houses will ____ down．
A.have pulledB.be pullingC.have been pulledD.be pulled在线课程C
考查时态，句意是：我想当我两年以后回来时，所有这些旧房子将会被推倒。用将来完成时，并用被动语态。选C。