You need to improve your work because it is not up to the mark.
Options:
A . according to the required standard
B . as good as the others
C . marked properly and accurately
D . up to the potential displayed
Answer: Option B Answer: (b)up to the mark/up to snuff/ up to scratch : as good as it should be. Your work isn’t really up to the mark. The best option is according to the required standard.
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