Why don't we get rid of these old chairs, since we don't use them .
A. anyway
B. hence
C. moreover
D. however
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The earth's atmosphere makes observation of distant stars difficult.
A. accurate
B. brief
C. precise
D. evident
The lawn was laid out the figure of 8.
A. in terms of
B. in the form of
C. in the way of
D. in the direction of
I shouldn't always have to tell you what to do, use your own .
A. responsibility
B. concept
C. inventiveness
D. initiative
Words cannot how grateful we are for his timely help.
A. concept
B. grasp
C. convey
D. put across
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