________important computers are to everybody in a modern city!
#65577
A
What
B
How
C
What an
D
How an
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________ important message he left for me! It’s of much ______ to me.
#65858
A
What, value
B
What an, value
C
How, valuable
D
How an, valuable
______ good time they had yesterday! 
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A
How a
B
Have a
C
What
D
What a
        useful the advice you offer me is!
#66138
A
How
B
How a
C
What
D
What a