[ Idioms ]

To “catch on” means ___.
a. to understand
b. to be punished
c. to grab something

Select your answer:

Random Topics:
If vs. WhetherDo Vs. DoesWhen vs. While

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Are you looking foward to _____________ in this class?

A. Study
B. Studying

How to use : Read the question carefully, then select one of the answers button.

Tips : If this page always shows the same questions, make sure you correct the question first by pressing the "check answer" button.