This river has changed its course many times. It _________ always located where it ________ at present.
#85380
A
isn’t; is
B
isn’t; will be
C
wasn’t; is
D
wasn’t; has been
推荐题目
It was          back home after the experiment.
#85107
A
not until midnight did he go
B
until midnight that he didn’t go
C
not until midnight that he went
D
until midnight when he didn’t go