Computers first came into use ________.A. in 1950s                B. on the 1950

Computers first came into use ________.A. in 1950s                B. on the 1950

题型:不详难度:来源:
Computers first came into use ________.
A. in 1950s                B. on the 1950s            C. in the 1950s
答案
C
解析

试题分析:句意:电脑首次被使用是在20世纪50年代。在某个世纪某个年代应该用介词in,还应该在in后用定冠词,在数字后加s,根据句意故选C。
举一反三
He usually gets up      six o’clock      Sundays.
A. at; on           B. on; at          C. at; at
题型:不详难度:| 查看答案
--- How do you like your math teacher?
--- She is strict     us.
A. with              B. in              C. at
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He usually watches TV______ Saturday evening.
A. on                      B. in                  C. at
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—What’s this _____ English?   —It’s a dictionary.
A. for                         B. to                      C. in
题型:不详难度:| 查看答案
Look! The young girl is dressing up __________ an old man ___________ a black coat.
A.as; ofB.in; asC.as; inD.in; of

题型:不详难度:| 查看答案
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