Direction: The sentences given with blanks are to be filled with an appropriate word(s). Four alternatives are suggested for each question. For each question, choose the correct alternative.
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Do your best and we’ll back you ______ .
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- on
- in
- out
- up
- on
Correct Option: D
back up (Phr.V.) : support
back out (Phr.V.) : to withdraw from something before completion
Here, up is the right option.
