The phrase "assignment opened" is correct and usable in written English.
It can be used to indicate that a particular assignment has been made available for completion or review.
Example: "The assignment opened at 9 AM, and students can now begin working on it."
Alternatives: "assignment is available" or "assignment has started".
In the film, Brody plays Henry Barthes, a substitute teacher who drifts from classroom to classroom without making any real connections until one assignment opens up a world of emotion and passion for him.
Suzanne had done everything she could: curled her hair, made up her face, donned her shirt and shorts and shoes and socks, packed her backpack, checked her assignments, opened the back door, cleared a path to the ironing board.
Miss Livingston was of the "old school" even then -- a teacher who brooked no idle chatter, one who could control a class of 38 girls with a single look, and one whose homework assignments opened up the world of words to me.
We've kept the GuardianWitness assignment open so you can continue to share your stories.
We have a GuardianWitness assignment open and awaiting your submissions, and we'll put together a gallery of your best shots.
We're going to keep the assignment open over Christmas, so please do keep sending in your own average moments from the most magical time of the year.
The assignment Open image in new window (5.8 gives an incarnation.
Table 9 Operation cell after selection of process plan and part assignment Open image in new window.
Clay Rapada was designated for assignment.... Opening day ceremonies Monday will include a tribute to Newtown, Conn., first responders.
Jimenez fractured his neck in a car accident, and the Yankees used CLAY BELLINGER and WILSON DELGADO, who was designated for assignment to open a roster spot for LUIS POLONIA, as reserve infielders.
