It was about 600 years ago __________ the first clock was made.
#85410
A
that
B
until
C
before
D
when
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It is not how much we do but how much love we put into what we do ________ benefits our work most.(2011·陕西)
#84658
A
who
B
which
C
that
D
what
---You didn’t lock the back door.一You are wrong.I .
#84912
A
have locked it
B
lock it myself
C
did lock it
D
do lock it