When the sick mother got up, she was surprised to find that her six-year-old daughter _______ in the kitchen.
#99584
A
had cooked
B
has cooked
C
was cooking
D
cooked
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The telephone ______ three times in the last hour, and each time it _____ for my father.
#100969
A
had rung; was
B
has been ringing; is
C
rang; has been
D
has rung; was
 — How long_________in Hong Kong?  — For just the weekend. I’ll be back next Monday morning.  
#102400
A
have you stayed
B
are you staying
C
did you stay
D
do you stay
Over the past l00 years,sea level      steadily as a result of global warming.
#103377
A
had increased
B
has been increasing
C
increased
D
is increasing
In yesterday’s newspaper, it was reported that great damage ____by the flood.
#100946
A
has been done
B
had been done
C
has done
D
had done