The city _____ a lot since I left in 1990A.is changingB.changesC.changedD.has changed

问题描述:

The city _____ a lot since I left in 1990
A.is changing
B.changes
C.changed
D.has changed

因为since, 所以本句为完成时, 选d

D.has changed

d 有since时间状语的句子用完成时