A.turn
B.shift
C.change
D.move
第2题
She went to the _____ school when she was six years old.
A.primary
B.principal
C.average
D.common
第3题
Maybe you will ask my mother how I _____ to become an industrial engineer.
A.proposed
B.happened
C.risked
D.considered
第4题
Sam set out to improve _____ at the shirt factory, but he failed at last.
A.efficiency
B.sufficiency
C.affect
D.effect
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