We still remember once _________ round t
题型:选择题
问题:
We still remember once _________ round the famous tower when we were young.
A.having taken
B.to be taken
C.having been taken
D.to have taken
We still remember once _________ round the famous tower when we were young.
A.having taken
B.to be taken
C.having been taken
D.to have taken