A.coveringB.lookC.colorD.cover
A. covering
B. look
C. color
D. cover
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A.withB.inC.byD.of
A. with
B. in
C. by
D. of
A.neverB.alsoC.onceD.seldom
A. never
B. also
C. once
D. seldom
A.had toB.shouldC.mightD.must
A. had to
B. should
C. might
D. must
A.cognizantB.recognizableC.rememberableD.identical
A. cognizant
B. recognizable
C. rememberable
D. identical