首页 > —Is your uncle an ________？—Yes, he recently invented ________ useful machine.A. invent, theB. inve

—Is your uncle an ？—Yes, he recently invented useful machine.A. invent, theB. inve

题目简介

—Is your uncle an ________？—Yes, he recently invented ________ useful machine.A. invent, theB. inve

题目详情

—Is your uncle an ________？
—Yes, he recently invented ________ useful machine.
A. invent, the
B. inventor, an
C. inventor, a

题型：单选题难度：中档来源：不详

答案

C

第一句在问人的职业，只能用inventor来表达；第二句中useful的发音不是元音音素开头，所以用a即可。

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