第1题
第2题
A.purchase
B.market
C.production
D.sale
第3题
A.at; in
B.in; in
C.in; on
D.in; at
第4题
A.It; that
B.It; when
C.That; that
D.That; when
第7题
A.to miss
B.having missed
C.missing
D.to have missed
第9题
A.6 th ; 8 th
B.2 nd ; 4 th
C.4 th ; 6 th
D.3 rd ; 5 th
第10题
A.Going after a mouse.
B.Always using voices.
C.Purring when they are happy.
D.Arching their backs when they are afraid.
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