Mary said they _____________________with each other for six years before they got married.
#100282
A
has fallen in love
B
had fallen in love
C
had been in love
D
has been in love
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His sister left home in 1998，and ________ since.
#99572
A
had not been heard of
B
has not been heard of
C
had not heard of
D
has not heard of
——The dinner was delicious!——I agree. I am so full.——That’s too bad. But some dessert ____.
#104314
A
has ordered
B
will be ordered
C
has been ordered
D
was going to be ordered
It was not until the subprime loan crisis（次贷危机） ____ great damage to the American financial system that Americans ____ the severity of the situation．
#103104
A
caused, realized
B
had caused, realized
C
caused, had realized
D
was causing, had realized
Progress _____ so far very good and we are sure that the work will be finished on time.
#104200
A
was
B
had been
C
has been
D
will be