In Philadelphia, planners have been experimenting with a new way of slowing drivers down: painted 3D triangles that look like speed bumps. At onequarter of the cost of physical bumps, the devices also have the advantage of not tearing up emergency vehicle axles as they speed overn them. A month of investigation on a halfmile stretch of road found that driver speeds fell from an average of 38 miles per hour to 23 miles per hour. While this drop is impressive, the effect may be temporary as drivers, particularly those who regularly travel that route, to learn which bumps are just illusions.
Q) How can the underlined part be corrected? Are these two possible? "will learn," "learn." Are there other options?
Top answer
Hi, Q) How can the underlined part be corrected? Are these two possible? " Yes.
— Clive
Hi, Q) How can the underlined part be corrected?
Are these two possible?
" Yes.
But I think the most likely choice is 'learn'.
Are there other options?
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Q) How can the underlined part be corrected? Are these two possible? "will learn," "learn." Yes. But I think the most likely choice is 'learn'. Are there other options? Sure. eg discover / see / find out.
In Philadelphia, planners have been experimenting with a new way of slowing drivers down: painted 3D triangles that look like speed bumps. At onequarter of the cost of physical bumps, the devices also have the advantage of not tearing up emergency vehicle axles as they speed overn them. A month of investigation on a halfmile st
Q) My student wrote an answer "fell down" instead of "fell" in the underline above. Should I get it right without penalizing some points? Or should I not get it right?-- 'Fell down' is wrong here.