Multiple choice general knowledge

Our secretary will arrive here ---------- 6 P.M

  1. at

  2. before

  3. on

  4. about

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The sentence indicates the secretary will arrive sometime prior to 6 P.M. 'Before' is the logical choice for this context. 'At' would specify the exact time, 'on' is used with days, and 'about' would give an approximation rather than a deadline.