So far this year we _________ a fall in house prices by between 5 and 10 percent.
A. saw B. see
C. had seen D. have seen
So far this year we _________ a fall in house prices by between 5 and 10 percent.
A. saw B. see
C. had seen D. have seen
D
.
D。短语so far意为“到目前为止”,它习惯上要与现在完成时连用。