They always communicated with each other on the Internet, but they never met him _______. 
#76211
A
back to back
B
heart to heart
C
face to face
D
side to side
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This is an order,you have no right to refuse it;just_________.
#82782
A
work it out
B
carry it out
C
put it away
D
set it up
Linda went to the bookstore and bought_______.
#64130
A
dozen books
B
dozens books
C
dozens of books
D
dozen of books