Test # 41
740 questions in 74 tests. Each test contains 10 questions.
think twice (about something)
to think very carefully about something
"You should think twice before you quit your job."
More Idioms ...
Spotting Errors in Sentence - Test-13
General Knowledge 2016 - 37
Elementary English Grammar Test
Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)
Vocabulary Game 1
Basic English Usage
Advanced English Grammar Test