The _______ income of the common people has been greatly increased in the past thirty years ______ the reform and opening-up policy in China.
#65239
A
regular; because
B
usual; thanks to
C
normal; on an account of
D
annual; owing to
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Most of us think that the ocean bottom is ___ smooth land.
#80863
A
made up for
B
made up of
C
made of
D
made by