10. Dog training schools teach a variety of essential commands and techniques
that can make your ______ a happy camper and your life easier in the
process.
(A) camp
(B) canine
(C) canary
(D) caterpillar
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統計: A(18), B(161), C(57), D(5), E(0) #1349917
統計: A(18), B(161), C(57), D(5), E(0) #1349917