The sign reading "No Photos" means that no one ____ take any photos in the Palace Museum.
#87574
A
need
B
may
C
must
D
shall
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 They ______ so tired if they ______ for a whole day.        
#87216
A
wouldn’t feel, didn’t walk
B
wouldn’t feel, weren’t walking
C
wouldn’t be feeling, weren’t walking
D
wouldn’t be feeling, hadn’t been walking
Class regulations require _____ is the last to leave the classroom _____ off all the lights.
#90190
A
who; should turn
B
whom; shall turn
C
whomever; turns
D
whoever; turn
I _____ you somewhere before , but your name has escaped me _____ moment . 
#90395
A
must see ; for a moment
B
must have seen ; for a moment
C
must see ; for the moment
D
must have seen ; for the moment