The most______thing that he could do in those circumstances was to resign.
A．instant
B．ethical
C．decent
D．wholesome

Black, red, and even bright pink diamonds______.A．occasionally to findB．occasionally foundC．have occasionally been foundD．have occasionally found

A.
A．occasionally
B.occasionally
C.have
D.have

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In business, how might Americans feel about you if you are looking away?A．You're feeling ashamed.B．You're telling the truth.C．You're telling a lie.

A.You're
B.
B．You're
C.
C．You're
D.

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