[ Idioms ]

To practice a skill you have already is the same as to ___ up a skill.
a. fold
b. kick
c. polish

Select your answer:

Random Topics:
Loose vs. LoseDegrees of ComparisonSubject-Verb Agreement

Next quiz: Gerund vs. Infinitive

The sign on our lawn is useful to prevent people (from walking/to walk) on our freshly planted grass.

A. From walking
B. To walk

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