Peter must be ill. It’s the only thing that can  _________ his strange behavior.
#77919
A
lie in
B
result from
C
account for
D
explain about
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The flowers were so lovely that they __________ in no time.
#83634
A
sold
B
had been sold
C
were sold
D
would sel
Who do you think is the right person to ________ the task?
#74727
A
undergo
B
undertake
C
understand
D
underline
I don't think the watch will ______ much. It is ______ $30 at most.
#71045
A
cost, worth 
B
worth, cost 
C
spend, worth
D
worth, spend