[ Grammar ]
It is usually considered impolite to ..
A. drop litter
B. admit a mistake
C. give a compliment

Random Topics:
Past Simple - Present PerfectPast Perfect or Past Perfect ContinuousPresent ContinousAction VerbGrammar - used toRelative Clauses and etcCompound Words and SentencesVerbs & AdverbsConditional Sentence Type 2Parts of Speech and Compound SentencesOther quiz:
Tenses › ViewIt had not rained for three weeks, so the ground ________ very dry.
A. was
B. were
C. had been
Subject-Verb Agreement › View
Not only the students, but also the teacher (has, have) been unhappy.
A. Has
B. Have
The boy ___ father is a famous scientist has won the prize.
a. whose
b. who’s
Grammar › View
How _____ you?
A. be
B. is
C. are