-How long ______ each other before they ______ married?--For about a year.
#104894
A
have they known; get
B
have they known; were going to get
C
do they know; are going to get
D
had they known; got
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Her sister left home in1998, and       since.
#101660
A
had not been heard of
B
has not been heard of
C
had not heard of
D
has been heard of
– I’m leaving for Beijing next week.– How long ______ there?
#101707
A
have you stayed
B
are you staying
C
had you stayed
D
did you stay