I don’t know who invented telephone. It’s really most useful invention.A. the; aB. /; aC

发布时间:2020-08-16 18:51:15

I don’t know who invented      telephone. It’s really      most useful invention.
A. the; a
B. /; a
C. a; the
D. /; the

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(答案→)A. the; a
B. /; a
C. a; the
D. /; the
解析:
这题考查冠词,第一空是表示发明物,加the,第二空:a most useful是“非常有用”,这里的most相当于very。选A。
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