[ Idioms ]
To “catch on” means ___.
a. to understand
b. to be punished
c. to grab something
Random Topics:
If vs. WhetherDo Vs. DoesWhen vs. While
Next quiz: Grammar
Are you looking foward to _____________ in this class?
A. Study
B. Studying
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Tips : If this page always shows the same questions, make sure you correct the question first by pressing the "check answer" button.