______useful dictionary for beginners of English! Where did you get it?
#66916
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How
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How an
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What a
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What an
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—      useful suggestion he offered to us!—You’re right. It was of great     . 
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A
How, value
B
What, value
C
What a, value
D
What a, valuable
_______ bright sunshine! Let’s have a picnic. 
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A
What
B
How
C
What a
D
How a