The little boy is dirty from head to foot because he ___ in the mud all morning.        
#69405
A
has played
B
is playing
C
has been playing
D
was playing
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She tried to sleep, but thoughts      and images flashed into her mind.
#76556
A
crowded out
B
crowed to
C
crowded of
D
crowded in
Though we have been staying up for days, there’s still _____ work remaining to be done.
#71982
A
a large sum of
B
a plenty of
C
a large amount of
D
a large number of
Let’s          the radio          and see what’s wrong with it!
#67072
A
take…part
B
tell…from
C
separate…from
D
take…apart