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—It's so late. Why not write the report tomorrow?—But I don't know _______ I can do it if not now.
#37086
A
why
B
when
C
how
D
where
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The air in Dongying is much worse than that in many other cities. We must do       to protect our environment.
#36921
A
nothing
B
anything
C
something
D
everything
 What _________ does he sometime get?
#36014
A
ill
B
illness
C
sick
D
iller
—I hear you have to get up early every morning.  —Right. It’s one of the _______ of my family.
#35773
A
plans
B
jobs
C
programs
D
rules
 Now, people regard drinking tea ________ a culture more than a habit.
#35865
A
as
B
by
C
of
D
with
 ---Is this book Betty's? ----Yes , it's ________.
#40295
A
mine
B
his
C
hers
D
yours