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
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Was it 80 years before Christopher Columbus crossed the Atlantic ______ Zheng He hadsailed to East Africa?
#84845
A
when
B
that
C
after
D
since
After his wife was killed in the earthquake, it was his daughter _____ managed the house and accompanied him
#85012
A
whom
B
that
C
which
D
what
It was not until near the end of the letter ______ she mentioned her own plan.
#84905
A
where
B
that
C
why
D
when
It’s one’s bad habits, rather than a certain natural disaster, one’s longevity (长寿)for most of the time.
#84932
A
that affects
B
which affect
C
which affects
D
that affect
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