Do you know how much time and effort they devoted___________such a complicated project ? 
#68207
A
to complete
B
completed
C
completing
D
to completing
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The beggar has no money with which to buy food. However, no passers-by ______ him.
#74906
A
have mercy on
B
are at the mercy of
C
show mercy on
D
to be merciful to
Can you _____ the capitals of all the countries?
#80264
A
call
B
name
C
tell
D
give