Not for a moment ______ sightseeing while in Europe.
#80704
A
has he stopped
B
he stops
C
did he stop
D
he did stop
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Not until _______ home _______ her appointment with the doctor.
#82872
A
she arrived; did she remember
B
did she arrive; that she remember
C
she arrived; when she remembered
D
did she arrive; had she remembered
Only when I left home to go to college ___ how much my mother had done for me.
#79619
A
did I realize
B
I realized
C
had I realized
D
I had realized
 Hardly ___________the door when he rushed into the office out of breath.
#84180
A
I opened
B
did I open
C
I had opened
D
had I opened