Please correct my grammar.
Q. Write out the following sentences so that they make sense:
(A)sweet, how, rose, this, smells
Ans: This sweet how rose smells.
(B)blames, a, workman, bad, his, tools
Ans: A workman blames his bad tools.
(C)wife, children, and, he, his, care, takes, of
Ans:He takes care of his wife and children.

Question

Answer

1. How sweet this rose smells! 
(It's an exclamation.)

2. A bad workman blames his tools.

Funnily enough, what you wrote is actually a correct sentence but 'a bad workman blames his tools' is an expression and I would wager what the answer scheme is looking for.

3. Correct.

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