The computer center, ________ last year, is very popular among the students in this school.
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A
open
B
opening
C
have opened
D
opened
推荐题目
______the room, a letter was seen lying on the desk.
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A
Entering
B
Entered
C
After entering
D
When he entered
After living there for one year, they have _________there.
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A
accustomed to working
B
accustomed to work
C
been accustomed to working
D
been accustomed to work
_______ late the next morning, Bob turned off the alarm.
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A
To sleep
B
Sleeping
C
Sleep
D
Having slept