The colon (:) and the semicolon (;) both appear very frequently on both the SAT and ACT grammar sections. However, they are not commonly used in everyday writing. But here’s some good news from Matthew: both pieces of punctation are very straightforward, and here’s why.
In his last post, Andrew provided some useful tips for the SAT Reading section. To balance things out a bit, I want to offer some advice for the ACT Reading section, where the time pressure (40 questions in 35 minutes!) is even greater than on the SAT.