一道选择题¥We have set up a lot of high-rises in our city ______.A.since three yearsB.in 2000C.in three yearsD.in the past three years.

一道选择题¥We have set up a lot of high-rises in our city ______.A.since three yearsB.in 2000C.in three yearsD.in the past three years.
一道选择题¥
We have set up a lot of high-rises in our city ______.
A.since three years
B.in 2000
C.in three years
D.in the past three years.

一道选择题¥We have set up a lot of high-rises in our city ______.A.since three yearsB.in 2000C.in three yearsD.in the past three years.
选D.本题主要考用于现在完成时的时间状语."in the past.years" （在过去的多少年中）是用于现在完成时的时间状语中的一种.since+时间“点”（比如since 2000）也是一种用于现在完成时的时间状语,只是A选项中since后跟的“three years”是一段时间,所以A不能选.B "in 2000" 是用于一般过去时的时间状语,因为这种时间状语显然看不出与现在的联系,只说明在2000年(即过去时间)发生的事情.C“in three years”意思是“在三年后”,用于一般将来时.in+一段时间,表示多长时间之后,表示将来时间.

选择C吧。
时态问题

We have set up a lot of high-rises in our city 选择C