Putting a candle in the window ___ a traditional practice in many cultures, ____ has a variety of meanings in the United States.
#102784
A
was; that
B
is; it
C
has been; which
D
had been; which
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--Look! Someone ________ the floor.--Well, it wasn’t me. I went shopping just now. 
#100635
A
had swept
B
has swept
C
was sweeping
D
is sweeping
---- What’s that noise?       ---- Oh, I forgot to tell you. The new machine ______.
#102011
A
was tested
B
will be tested
C
is being tested
D
has been tested
—I'm not finished with my dinner yet.—But our friends________for us.
#99187
A
will wait
B
wait
C
have waited
D
are waiting
By the time he arrives in Beijing, we ______ here for two days.
#100865
A
will have stayed
B
will be staying
C
have been staying
D
have stayed