[ Grammar ]
the problem when people don’t speak each other’s languages
A. language difference
B. language exception
C. language barrier

Random Topics:
Past Simple & Past ContinuousGrammar (was, were, could, could not)Past SimpleGerund NounZero & First ConditionalQuestion TagRegular Plural NounsSubordinating Conjunctions and ClausesConjunction: Because and SoPrepositions & Modal VerbsOther quiz:
Subordinating Conjunction › View______ I was walking home, it started to rain.
A. While
B. If
C. Because
D. Until
Tenses › View
The train ______ the station half an hour ago.
A. left
B. has left
C. was leaving
D. leaves