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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Although human evolution has _______ in the past 10,000 years, we are changing our environment faster still.
#99217
A
linked up
B
loaded up
C
sped up
D
split up
—Sarah, you seem to be a little absent-minded. What’s wrong?—Oh, sorry. Actually, I of the family party this weekend. I have to make a list of what needs to be bought.
#100632
A
am just thinking
B
just thought
C
have just thought
D
was just thinking
The new secretary is supposed to report to the manager as soon as she ________.
#99927
A
will arrive
B
arrives
C
is arriving
D
is going to arrive
--- Is Tom still smoking?--- No. By next Saturday he _____ for a whole month without smoking a single cigarette.
#100521
A
will go
B
will have gone
C
goes
D
has been going
I _____ his telephone number. Had I known it, I would have rung him up.
#100016
A
don’t known
B
didn’t know
C
hadn’t known
D
haven’t known