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

Random Topics:
Gerund or InfinitiveVerb to haveConditionals III - Mixed 1st, 2nd & 3rd Conditionalslike/do not likePast Simple and ContinuousConjunctive AdverbsHave to/Has toJobsCorrelative Conjunction & Complex SentencesInfinitivesOther quiz:
Adverb of Manner › ViewThey aren’t __________. They are speaking _________
A. quiet / quietly
B. quietly / quiet
Grammar › View
I __________many people since I came here in June.
A. met
B. has met
C. was meeting
D. have met
IELTS Vocabulary › Viewto use any information that you have to guess how much something will cost
A. estimate the cost
B. produce profitably
C. infrastructure
D. elease into the atmosphere
Future Tenses › View
My neighbour (celebrate) his birthday party on Friday evening. I am invited.
A. will celebrate
B. is going to celebrate
C. is celebrating
D. celebrates
