It is required in our school that lights in students’ rooms ______ off by 11o’clock.
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A
be switched
B
would switch
C
should switch
D
must be switched
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Without Sir Tim, the father of www, keeping up with the latest ______ so convenient.
#87623
A
would be
B
wouldn’t be
C
would have been
D
wouldn’t have been
My friends urged that I ________ the well-paid jobs.
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A
applied for
B
applied to
C
apply for
D
apply to
You _____ cold if you had put on more clothes the day before yesterday. 
#87125
A
won’t catch
B
wouldn’t have caught
C
hadn’t caught
D
haven’t caught