English expressions. Get Through

English expressions. “Get Through “ One common meaning is – To complete something; To manage to finish something.  “University was tough, but after 4 years I got through it.” “I …

Another brain teaser!

What number is missing from this series? (series = a group or a number of related or similar things)   1, 3, 7, ? , 21 . . . . . . . …