Grammar map
Read the time clue first
The best answer depends on the time expression: exact time, day/date, longer period, or range.
Practice Lab - Unit 6
Choose the correct time preposition for each schedule sentence: on, at, in, or from...to.
Grammar map
The best answer depends on the time expression: exact time, day/date, longer period, or range.
Grammar quiz
Select A, B, or C. You can check at any time; unanswered questions are counted as items to review.
Teacher follow-up
The teacher receives your reference grade, selected A-B-C answers, and the questions marked for review. This is recorded with gradebook weight 0%.