题目内容

He __________ to stay up all night, but he fell asleep. ()

A. automated
B. tried
C. service
D. trying

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We needed the __________ of an auto mechanic. ()

A. alive
B. try
C. service
D. services

I called the __________ to see if I could get Aunt Lucy's telephone number. ()

A. request
B. sink
C. services
D. operator

Thousands of pieces of data are stored in a computer's __________ ()

A. daily
B. shaves
C. electric
D. memory

A computer is a __________ device. ()

A. digital
B. daily
C. shaves
D. loaded

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