Quizzes, tests, exercises and puzzles for English as a Second Language (ESL), English as a foreign language (EFL), Teaching EFL (TEFL), Test of EFL (TOEFL), English for speakers of other languages (ESOL), Teaching ESOL (TESOL), TOEIC.
Fact
SWIMS is the longest word with 180-degree rotational symmetry (if you were to view it upside-down it would still be the same word and perfectly readable). .. More >>